Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents (Note E)	$ 31,102	$ 37,806
Restricted cash	187	65
Contract receivables, less allowances of $2,491 in 2013 and $1,693 in 2012:
Billed	26,447	32,626
Unbilled	17,686	12,501
Receivables Net	44,133	45,127
Employee advances and miscellaneous receivables, less allowances of $335 in 2013 and $538 in 2012	1,215	1,352
Total receivables	45,348	46,479
Prepaid expenses and other current assets	4,822	3,853
Total current assets	81,459	88,203
Property and equipment	59,157	56,924
Less accumulated depreciation and amortization	(40,906)	(37,350)
Property and equipment, net	18,251	19,574
Goodwill	13,611	13,669
Intangible assets, less accumulated amortization of $29,754 in 2013 and $27,720 in 2012	15,734	18,399
Noncurrent portion of unbilled receivables	1,354	1,391
Other assets	2,219	2,350
Total assets	132,628	143,586
Current liabilities:
Accounts payable and accrued expenses	11,486	14,136
Accrued payroll and related expenses	11,903	20,874
Refund liabilities	6,709	6,979
Deferred revenue	1,133	1,551
Current portion of debt (Note F)	4,500	3,000
Business acquisition obligations	3,086	4,218
Total current liabilities	38,817	50,758
Long-term debt (Note F)	0	3,000
Noncurrent business acquisition obligations	0	2,479
Noncurrent refund liabilities	981	1,159
Other long-term liabilities	711	1,538
Total liabilities	40,509	58,934
Commitments and contingencies (Note H)
Shareholders’ equity (Note B):
Common stock, no par value; $.01 stated value per share. Authorized 50,000,000 shares; 29,198,977 shares issued and outstanding as of June 30, 2013 and 27,893,132 shares issued and outstanding as of December 31, 2012	292	279
Additional paid-in capital	601,194	594,045
Accumulated deficit	(511,866)	(513,200)
Accumulated other comprehensive income	2,499	3,528
Total shareholders’ equity	92,119	84,652
Total liabilities and shareholders' equity	$ 132,628	$ 143,586