CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities
Net income	$ 1,627	$ 271
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation	365	418
Amortization of definite-lived intangible assets	629	63
Capitalized software amortization	612	452
Amortization of deferred financing costs	0	29
Change in fair value of contingent consideration	331	82
Stock-based compensation expense	569	633
Equity loss on investment in GSE-UNIS Simulation Technology Co. Ltd.	22	0
(Gain) loss on derivative instruments	(49)	631
Changes in assets and liabilities
Contract receivables	(2,980)	2,340
Prepaid expenses and other assets	(1,359)	(2,134)
Accounts payable, accrued compensation and accrued expenses	(1,597)	6,493
Billings in excess of revenue earned	656	(23)
Accrued warranty reserves	401	242
Other liabilities	(844)	(496)
Net cash provided by (used in) operating activities	(1,617)	9,001
Cash flows from investing activities
Capital expenditures	(370)	(325)
Capitalized software development costs	(572)	(741)
Investment in GSE-UNIS Simulation Technology Co. Ltd.	(456)	0
Acquisitions, net of cash acquired	(830)	(542)
Restrictions of cash as collateral under letters of credit	(5,171)	0
Release of cash as collateral under letters of credit	1,178	801
Drawdown of cash collateral on Emirates Simulation Academy, LLC line of credit	(79)	(163)
Proceeds from sale/leaseback transaction	0	377
Net cash used in investing activities	(6,300)	(593)
Cash flows from financing activities
Deferred financing costs	0	(82)
Treasury stock purchases	(1,127)	0
Proceeds from issuance of common stock	119	74
Net cash used in financing activities	(1,008)	(8)
Effect of exchange rate changes on cash	6	151
Net increase (decrease) in cash and cash equivalents	(8,919)	8,551
Cash and cash equivalents at beginning of year	26,577	25,270
Cash and cash equivalents at end of period	17,658	33,821
Non-cash financing activities
Issuance of 122,617 shares of common stock to acquire TAS Holdings Ltd.	$ 0	$ 682

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The net cash inflow (outflow) from the cash and cash items of an Equity Method investment that are not available for withdrawal or usage.

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The component of interest expense comprised of the periodic charge against earnings over the life of the financing arrangement to which such costs relate.

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For each income statement presented, the amount charged to expense for amortization of capitalized computer software costs.

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Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits should not be reported as cash and cash equivalents.

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The net change between the beginning and ending balance of cash and cash equivalents.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The effect of exchange rate changes on cash balances held in foreign currencies.

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment.

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The net change during the reporting period in the aggregate amount of obligations and expenses incurred but not paid.

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The net change during the reporting period in the liability reflecting cash payments received before the related costs have been incurred.

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The net change during the reporting period in receivables arising from the contracting of goods and services, net for uncollectible accounts.

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The net change during the reporting period in other operating obligations not otherwise defined in the taxonomy.

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The net change during the reporting period in the value of this group of assets within the working capital section.

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The net cash inflow (outflow) from financing activity for the period.

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The net cash inflow (outflow) from investing activity.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities.

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The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes.

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The cash outflow to reacquire common stock during the period.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from the additional capital contribution to the entity.

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The gross proceeds received from the asset(s) sold in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller less the costs incurred in connection with the transaction, such as closing and deferred financing costs.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock options, amortization of restricted stock, and adjustment for officers compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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The fair value of stock issued in noncash financing activities.

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