CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net loss	$ (5,566,000)	$ (5,905,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Write-down of capitalized software development costs	(1,538,000)	0
Depreciation	383,000	413,000
Amortization of definite-lived intangible assets	370,000	108,000
Capitalized software amortization	(291,000)	(173,000)
Gain on change in fair value of contingent consideration, net	739,000	69,000
Stock-based compensation expense	407,000	514,000
Equity loss on investments	(233,000)	(38,000)
(Gain) loss on derivative instruments, net	(59,000)	178,000
Changes in assets and liabilities:
Contract receivables	(3,580,000)	(11,928,000)
Prepaid expenses and other assets	409,000	(419,000)
Accounts payable, accrued compensation and accrued expenses	1,262,000	(2,292,000)
Billings in excess of revenue earned	(1,618,000)	792,000
Accrued warranty reserves	158,000	(349,000)
Other liabilities	(120,000)	(575,000)
Net cash provided by operating activities	1,307,000	5,155,000
Cash flows from investing activities:
Capital expenditures	217,000	240,000
Capitalized Software Development Costs	1,411,000	590,000
Restrictions of cash as collateral under letters of credit	1,148,000	3,159,000
Releases of cash as collateral under letters of credit	1,824,000	34,000
Net cash used in investing activities	(952,000)	(3,955,000)
Cash flows from financing activities:
Payments on line of credit	(339,000)	0
Payments of the liability-classified contingent consideration arrangements	500,000	500,000
Net cash used in financing activities	(839,000)	(500,000)
Effect of exchange rate changes on cash	(267,000)	(315,000)
Net increase (decrease) in cash and cash equivalents	(751,000)	385,000
Cash and cash equivalents at beginning of year	13,583,000	15,643,000
Cash and cash equivalents at end of period	$ 12,832,000	$ 16,028,000