Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 15,174	$ 15,122
Restricted cash	144	48
Contract receivables, less allowances of $1,092 in 2016 and $930 in 2015:
Billed	24,209	26,576
Unbilled	1,673	1,967
Contract receivables, net	25,882	28,543
Employee advances and miscellaneous receivables, less allowances of $601 in 2016 and $681 in 2015	1,675	1,740
Total receivables	27,557	30,283
Prepaid expenses and other current assets	2,911	2,323
Total current assets	45,786	47,776
Property and equipment	61,106	59,747
Less accumulated depreciation and amortization	(49,986)	(48,167)
Property and equipment, net	11,120	11,580
Goodwill	11,729	11,810
Intangible assets, less accumulated amortization of $35,646 in 2016 and $35,708 in 2015	5,874	6,684
Noncurrent portion of unbilled receivables	760	656
Other assets	2,151	1,885
Total assets	77,420	80,391
Current liabilities:
Accounts payable and accrued expenses	6,834	5,966
Accrued payroll and related expenses	10,920	11,278
Refund liabilities	7,962	7,887
Deferred revenue	951	965
Other current liabilities	39	39
Total current liabilities	26,706	26,135
Noncurrent refund liabilities	786	752
Other long-term liabilities	1,322	1,089
Total liabilities	28,814	27,976
Commitments and contingencies
Shareholders’ equity:
Common stock, no par value; $.01 stated value per share. Authorized 50,000,000 shares; 21,831,025 shares issued and outstanding at June 30, 2016 and 22,681,656 shares issued and outstanding at December 31, 2015	218	227
Additional paid-in capital	573,363	575,532
Accumulated deficit	(525,282)	(524,138)
Accumulated other comprehensive income	307	794
Total shareholders’ equity	48,606	52,415
Total liabilities and shareholders' equity	$ 77,420	$ 80,391