UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 20, 2005

INTEGRAL SYSTEMS, INC.

(Exact name of registrant as specified in its charter)

Maryland	0-18603	52-1267968
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

5000 Philadelphia Way, Lanham, Maryland	20706-4417
(Address of principal executive offices)	(ZIP Code)

Registrant’s telephone number, including area code: (301) 731-4233

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Section 1 - Registrant’s Business and Operations

Item 1.01. Entry into a Material Definitive Agreement.

On April 20, 2005, Real Time Logic, Inc. (“RT Logic”), a wholly-owned subsidiary of Integral Systems, Inc., entered into a Lease Agreement (the “Lease Extension”) with the John J. Gogian Jr. Revocable Trust of 1983 (the “Landlord”) for 28,663 square feet at RT Logic’s facilities in Colorado Springs, Colorado. Commencing January 1, 2006, the Lease Extension will replace two current leases for this space between RT Logic and the Landlord (the “Current Leases”) and will increase the base rent payable by RT Logic. All other material provisions in the Lease Extension are the same as in the Current Leases. The Lease Extension will terminate on December 31, 2006.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Company has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

INTEGRAL SYSTEMS, INC.
By:	/s/ Thomas L. Gough
	Thomas L. Gough President and Chief Operating Officer

Date: April 25, 2005