CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net income (loss)	$ (266)	$ 138
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Write-down of capitalized software development costs	0	0
Depreciation	76	100
Amortization of definite-lived intangible assets	64	73
Amortization of capitalized software development costs	117	81
Change in fair value of contingent consideration, net	254	(69)
Stock-based compensation expense	596	247
Loss on derivative instruments, net	160	118
Deferred income taxes	0	36
Loss on sales of equipment, software, and leasehold improvements	0	(1)
Changes in assets and liabilities:
Contract receivables	4,937	334
Prepaid expenses and other assets	(523)	(515)
Accounts payable, accrued compensation and accrued expenses	(1,184)	1,226
Billings in excess of revenue earned	(3,279)	(492)
Accrued warranty	67	(101)
Other liabilities	325	465
Cash provided by operating activities	1,344	1,640
Cash flows from investing activities:
Proceeds from sale of equipment, software and leasehold improvements	0	31
Capital expenditures	(44)	(18)
Capitalized software development costs	(29)	(131)
Restrictions of cash as collateral under letters of credit	0	(2)
Releases of cash as collateral under letters of credit	0	1
Cash used in investing activities	(73)	(119)
Cash flows from financing activities:
Proceeds from issuance of common stock on the exercise of stock options	62	4
Payments on contingent consideration	(851)	(1,421)
RSUs withheld to pay taxes	(672)	0
Cash used in financing activities	(1,461)	(1,417)
Effect of exchange rate changes on cash	68	37
Net increase (decrease) in cash and cash equivalents	(122)	141
Cash and cash equivalents at beginning of year	21,747	21,747
Cash and cash equivalents at end of period	$ 21,625	$ 11,225