CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 21,625	$ 21,747
Restricted cash	1,140	1,140
Contract receivables, net	13,897	18,863
Prepaid expenses and other current assets	4,024	2,052
Total current assets	40,686	43,802
Equipment, software, and leasehold improvements	6,845	6,759
Accumulated depreciation	(5,648)	(5,527)
Equipment, software, and leasehold improvements, net	1,197	1,232
Software development costs, net	894	982
Goodwill	5,612	5,612
Intangible assets, net	402	454
Other assets	72	1,574
Total assets	48,863	53,656
Current liabilities:
Accounts payable	587	923
Accrued expenses	2,389	2,437
Accrued compensation	2,015	2,624
Billings in excess of revenue earned	18,192	21,444
Accrued warranty	1,209	1,137
Current contingent consideration	1,508	2,105
Other current liabilities	750	716
Total current liabilities	26,650	31,386
Other liabilities	1,261	1,149
Total liabilities	27,911	32,535
Commitments and contingencies
Stockholders' equity:
Preferred stock $.01 par value, 2,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock $0.01 par value, 30,000,000 shares authorized, 20,777,168 and 20,433,608 shares issued and 19,178,257 and 18,834,697 shares outstanding	208	204
Additional paid-in capital	75,120	75,120
Accumulated deficit	(49,693)	(49,427)
Accumulated other comprehensive loss	(1,684)	(1,777)
Treasury stock at cost, 1,598,911 shares	(2,999)	(2,999)
Total stockholders' equity	20,952	21,121
Total liabilities and stockholders' equity	$ 48,863	$ 53,656