Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 10,483	$ 18,823
Restricted cash	110	51
Contract receivables, less allowances of $1,016 in 2018 and $1,499 in 2017
Billed	35,123	36,058
Unbilled	2,430	2,709
Receivables Net	37,553	38,767
Employee advances and miscellaneous receivables, less allowances of $225 in 2018 and $292 in 2017	1,446	1,665
Total receivables	38,999	40,432
Prepaid expenses and other current assets	3,660	4,608
Total current assets	53,252	63,914
Property and equipment	79,912	73,566
Less accumulated depreciation	(59,913)	(56,088)
Property and equipment, net	19,999	17,478
Goodwill	17,569	17,648
Intangible assets, less accumulated amortization of $42,689 in 2018 and $40,461 in 2017	15,870	18,478
Unbilled receivables	1,120	894
Deferred income taxes	1,398	1,538
Other assets	609	268
Total assets	109,817	120,218
Current liabilities:
Accounts payable and accrued expenses	5,518	8,548
Accrued payroll and related expenses	10,609	13,078
Refund liabilities	8,203	7,864
Deferred revenue	1,142	1,431
Current portion of debt (Note 5)	48	48
Current portion of long-term incentive compensation liability	0	5,116
Business acquisition obligations (Notes 6 and 9)	3,992	3,759
Total current liabilities	29,512	39,844
Long-term debt (Note 5)	17,549	13,526
Noncurrent business acquisition obligations (Notes 6 and 9)	0	5,135
Refund liabilities	263	957
Other long-term liabilities	412	442
Total liabilities	47,736	59,904
Commitments and contingencies (Note 7)
Shareholders’ equity (Note 2):
Common stock, no par value; $.01 stated value per share. Authorized 50,000,000 shares; 23,611,680 shares issued and outstanding at September 30, 2018 and 22,419,417 shares issued and outstanding at December 31, 2017	236	224
Additional paid-in capital	585,553	580,032
Accumulated deficit	(523,315)	(520,049)
Accumulated other comprehensive (loss) income	(393)	107
Total shareholders’ equity	62,081	60,314
Total liabilities and shareholders' equity	$ 109,817	$ 120,218