UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

INTRUSION INC.
(Name of Issuer)
Common Stock, $0.01 par value
(Title of Class of Securities)

46121E205
(CUSIP Number)
December 31, 2007
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

X   Rule 13d-1(b)

	Rule 13d-1(c)

    Rule 13d-1(d)

Note: The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be
deemed to be filed for the purpose of Section 18 of the Securities Exchange
Act of 1934 (Act) or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act
(however, see the Notes).

Persons who respond to the collection of information contained in this
form are not required to respond unless the form displays a currently
valid OMB control number.

CUSIP No.  46121E205

1.	Names of Reporting Persons.
	I.R.S. Identification Nos. of above persons (entities only).

	Donald W. Hodges

2.	Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

(b)  X

3.	SEC Use Only

4.	Citizenship or Place of Organization

	United States

5.	Sole Voting Power:  -0-

6.	Shared Voting Power:  39,700

7.	Sole Dispositive Power:  -0-

8.	Shared Dispositive Power:  657,969

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:  657,969

10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares

11.	Percent of Class Represented by Amount in Row (9): 6.3%

12.	Type of Reporting Person (See Instructions):  HC

CUSIP No. 46121E205

1.	Names of Reporting Persons.
	I.R.S. Identification Nos. of above persons (entities only).

	First Dallas Holdings, Inc.

2.	Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

(b)  X

3.	SEC Use Only

4.	Citizenship or Place of Organization

	Texas

5.	Sole Voting Power:  -0-

6.	Shared Voting Power:  39,700

7.	Sole Dispositive Power:  -0-

8.	Shared Dispositive Power:  657,969

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:  657,969

10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares

11.	Percent of Class Represented by Amount in Row (9):  6.3%

12.	Type of Reporting Person (See Instructions):  HC

CUSIP No.  46121E205

1.	Names of Reporting Persons.
	I.R.S. Identification Nos. of above persons (entities only).

	First Dallas Securities, Inc.

2.	Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

(b)  X

3.	SEC Use Only

4.	Citizenship or Place of Organization

	Texas

5.	Sole Voting Power:  -0-

6.	Shared Voting Power:  -0-

7.	Sole Dispositive Power:  -0-

8.	Shared Dispositive Power:  532,819

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:  532,819

10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares

11.	Percent of Class Represented by Amount in Row (9):  5.1%

12.	Type of Reporting Person (See Instructions):  BD/IA


CUSIP No.  46121E205

1.	Names of Reporting Persons.
	I.R.S. Identification Nos. of above persons (entities only).

	Hodges Capital Management, Inc.

2.	Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

(b)  X

3.	SEC Use Only

4.	Citizenship or Place of Organization

	Texas

5.	Sole Voting Power:  -0-

6.	Shared Voting Power:  39,700

7.	Sole Dispositive Power:  -0-

8.	Shared Dispositive Power:  125,150

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:  125,150

10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares

11.	Percent of Class Represented by Amount in Row (9):  1.2%

12.	Type of Reporting Person (See Instructions):  IA


CUSIP No.  46121E205

1.	Names of Reporting Persons.
	I.R.S. Identification Nos. of above persons (entities only).

	Hodges Fund

2.	Check the Appropriate Box if a Member of a Group (See Instructions)

(a)

(b)  X

3.	SEC Use Only

4.	Citizenship or Place of Organization

	Massachusetts

5.	Sole Voting Power:  -0-

6.	Shared Voting Power:  39,700

7.	Sole Dispositive Power:  -0-

8.	Shared Dispositive Power:  39,700

9.	Aggregate Amount Beneficially Owned by Each Reporting Person:  39,700

10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares

11.	Percent of Class Represented by Amount in Row (9):  0.38%

12.	Type of Reporting Person (See Instructions):  IC

Item 1.
(a)	Name of Issuer:
		Intrusion Inc. (the Company)
(b)	Address of Issuer's Principal Executive Offices:
1101 East Arapaho Road
Richardson, TX 75081
Item 2.
(a)	Name of Person Filing:
		Donald W. Hodges
		First Dallas Holdings, Inc.
		First Dallas Securities, Inc.
		Hodges Capital Management, Inc.
		Hodges Fund

(b)	Address of Principal Business Office or, if none, Residence:
		2905 Maple Ave.
		Dallas, Texas 75201
(c)	Citizenship:
		Donald W. Hodges is a citizen of the United States.
		First Dallas Holdings, Inc. is a Texas corporation.
		First Dallas Securities, Inc. is a Texas corporation.
		Hodges Capital Management, Inc. is a Texas corporation.
		Hodges Fund is a Massachusetts business trust.

(d)	Title of Class of Securities:
		Common Stock
(e)	CUSIP Number:
		46121E205

Item 3.  If this statement is filed pursuant to SS240.13d-1(b) or 240.13d-2(b)
				or (c), check whether the person filing is a:
(a)		Broker or dealer registered under section 15 of the Act
				(15 U.S.C. 78o).
(b)		Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
(c)		Insurance company as defined in section 3(a)(19) of the Act
				(15 U.S.C. 78c).
(d)		Investment company registered under section 8 of the Investment
				Company Act of 1940 (15 U.S.C. 80a-8).
(e)		An investment adviser in accordance with S240.13d-1(b)(1)(ii)(E).
(f)		An employee benefit plan or endowment fund in accordance with
				S240.13d-1(b)(1)(ii)(F).
(g)	X   A parent holding company or control person in accordance with
				S 240.13d-1(b)(1)(ii)(G).
(h)		A savings associations as defined in Section 3(b) of the Federal
				Deposit Insurance Act (12 U.S.C. 1813).
(i)		A church plan that is excluded from the definition of an investment
				company under section 3(c)(14) of the Investment Company
				Act of 1940 (15 U.S.C. 80a-3).
(j)		Group, in accordance with S240. 13d-1(b)(1)(ii)(J).

Item 4.	Ownership.

Provide the following information regarding the aggregate number and percentage
of the class of securities of the issuer identified in Item 1.

(a)	Amount beneficially owned:
Donald W. Hodges					657,969
First Dallas Holdings, Inc.			657,969
First Dallas Securities, Inc.	           532,819
Hodges Capital Management, Inc.	125,150
Hodges Fund			39,700

(b)	Percent of class:
Donald W. Hodges		6.3%
First Dallas Holdings, Inc.		6.3%
First Dallas Securities, Inc.                 5.1%
Hodges Capital Management, Inc.	1.2%
Hodges Fund			  0.38%

The calculation of the percentage of beneficial ownership of the Company's
common stock is based upon 10,397,000 shares outstanding on September 30, 2007,
as disclosed by the Company in its Quarterly Report on Form 10-QSB for the
quarter ended  September 30, 2007.

(c)	Number of shares as to which the person has:
	(i)	Sole power to vote or to direct the vote:
	Donald W. Hodges		-0-
	First Dallas Holdings, Inc.		-0-
	First Dallas Securities, Inc.	-0-
Hodges Capital Management, Inc.	-0-
Hodges Fund			-0-

	(ii)	Shared power to vote or to direct the vote:
	Donald W. Hodges		39,700
	First Dallas Holdings, Inc.		39,700
	First Dallas Securities, Inc.	-0-
Hodges Capital Management, Inc.	-0-
Hodges Fund			39,700

	(iii)	Sole power to dispose or to direct the disposition of:
	Donald W. Hodges		-0-
	First Dallas Holdings, Inc.		-0-
	First Dallas Securities, Inc.	-0-
Hodges Capital Management, Inc.	-0-
Hodges Fund			-0-

	(iv)	Shared power to dispose or to direct the disposition of:
	Donald W. Hodges		657,969
	First Dallas Holdings, Inc.		657,969
	First Dallas Securities, Inc.	532,819
Hodges Capital Management, Inc.	125,150
Hodges Fund			39,700

Instruction.  For computations regarding securities which represent a right to
acquire an underlying security see S240.13d-3(d)(1).

Item 5.	Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following .

Item 6.	Ownership of More than Five Percent on Behalf of Another Person.
Other individuals have the right to receive the dividends from, and the
proceeds from the sale of, all reported securities.

Item 7.	Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company
Donald W. Hodges Control Person is the sole owner of First Dallas Holdings,
Inc., the parent holding company of First Dallas Securities, Inc., Hodges
Capital Management, Inc. and Hodges Fund.  All entities and their Item 3
classification are attached hereto as Exhibit A.

Item 8.	Identification and Classification of Members of the Group
Not Applicable.
Item 9.	Notice of Dissolution of Group
Not Applicable.
Item 10.	Certification
By signing below I certify that, to the best of my knowledge and belief, the
securities referred to above were acquired and are held in the ordinary course
of business and were not acquired and are not held for the purpose of or with
the effect of changing or influencing the control of the issuer of the
securities and were not acquired and are not held in connection with or as a
participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

Date:  February 13, 2007

	By:
		Name: 	Donald W Hodges
		Title:	Chairman
Exhibit A
List of Subsidiaries

First Dallas Securities, Inc. is a broker or dealer registered under section
15 of the Act (15 U.S.C. 78o) and an investment adviser in accordance with
S240.13d-1(b)(1)(ii)(E).

Hodges Capital Management, Inc.  is an investment adviser in accordance with
S240.13d-1(b)(1)(ii)(E).

Hodges Fund is an investment company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C. 80a-8).