CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities
Net income	$ 530	$ 1,013
Adjustments to reconcile net income to net cash used in operating activities
Depreciation	137	125
Amortization of definite-lived intangible assets	78	217
Capitalized software amortization	200	192
Amortization of deferred financing costs	3	0
Change in fair value of contingent consideration	45	146
Stock-based compensation expense	220	203
Equity gain on investment in GSE-UNIS Simulation Technology Co. Ltd.	(62)	(35)
Gain on derivative instruments, net	(400)	(588)
Changes in assets and liabilities
Contract receivables	(2,486)	(3,466)
Prepaid expenses and other assets	92	336
Accounts payable, accrued compensation and accrued expenses	(1,032)	361
Billings in excess of revenue earned	297	(648)
Accrued warranty reserves	196	153
Other liabilities	(290)	(1,053)
Net cash used in operating activities	(2,472)	(3,044)
Cash flows from investing activities
Capital expenditures	(350)	(76)
Capitalized software development costs	(269)	(180)
Investment in GSE-UNIS Simulation Technology Co. Ltd.	(469)	0
Acquisitions, net of cash acquired	0	(647)
Restrictions of cash as collateral under letters of credit	(2)	(3,519)
Releases of cash as collateral under letters of credit	305	66
Drawdown of cash collateral on Emirates Simulation Academy, LLC line of credit	0	(79)
Net cash used in investing activities	(785)	(4,435)
Cash flows from financing activities
Proceeds from issuance of common stock	210	92
Treasury stock purchases	(303)	0
Net cash provided by (used in) financing activities	(93)	92
Effect of exchange rate changes on cash	209	263
Net decrease in cash and cash equivalents	(3,141)	(7,124)
Cash and cash equivalents at beginning of year	20,326	26,577
Cash and cash equivalents at end of period	$ 17,185	$ 19,453