CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows provided by operating activities
Net income (loss)	$ 1,422	$ (4,705)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Write-down of capitalized software development costs	0	1,538
Depreciation	383	493
Amortization of definite-lived intangible assets	289	494
Amortization of capitalized software development costs	408	341
Change in fair value of contingent consideration	(207)	849
Stock-based compensation expense	1,550	541
Loss on equity method investments	0	233
Loss on derivative instruments, net	18	40
Deferred income taxes	123	171
Gain (Loss) on Sale of Assets and Asset Impairment Charges	3	0
Changes in assets and liabilities
Contract receivables, net	(6,078)	2,530
Prepaid expenses and other assets	(1,249)	(501)
Accounts payable, accrued compensation and accrued expenses	961	(947)
Billings in excess of revenue earned	12,257	(552)
Accrued warranty	(465)	171
Other liabilities	737	320
Net cash provided by operating activities	10,152	1,016
Cash flows from investing activities:
Capital expenditures	(79)	(277)
Proceeds from Sale of Property, Plant, and Equipment	30	0
Capitalized software development costs	(245)	(1,610)
Restrictions of cash as collateral under letters of credit	0	(1,222)
Releases of cash as collateral under letters of credit	2,408	1,876
Net cash provided by (used in) investing activities	2,114	(1,233)
Cash flows from financing activities:
Payments on line of credit	0	(339)
Proceeds from issuance of common stock on the exercise of stock options	833	23
RSUs withheld to pay taxes	(584)	0
Contingent consideration payments to Hyperspring, LLC	(1,421)	(1,700)
Net cash used in financing activities	(1,172)	(2,016)
Effect of exchange rate changes on cash	(431)	(266)
Net increase (decrease) in cash and cash equivalents	10,663	(2,499)
Cash and cash equivalents at beginning of year	11,084	13,583
Cash and cash equivalents at end of period	$ 21,747	$ 11,084