Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents (Note E)	$ 37,787	$ 37,806
Restricted cash	129	65
Contract receivables, less allowances of $2,618 in 2013 and $1,693 in 2012:
Billed	26,973	32,626
Unbilled	11,311	12,501
Receivables Net	38,284	45,127
Employee advances and miscellaneous receivables, less allowances of $387 in 2013 and $538 in 2012	1,198	1,352
Total receivables	39,482	46,479
Prepaid expenses and other current assets	4,124	3,853
Total current assets	81,522	88,203
Property and equipment	58,642	56,924
Less accumulated depreciation and amortization	(39,087)	(37,350)
Property and equipment, net	19,555	19,574
Goodwill	13,611	13,669
Intangible assets, less accumulated amortization of $28,552 in 2013 and $27,720 in 2012	16,934	18,399
Noncurrent portion of unbilled receivables	1,074	1,391
Other assets	2,298	2,350
Total assets	134,994	143,586
Current liabilities:
Accounts payable and accrued expenses	11,674	14,136
Accrued payroll and related expenses	13,652	20,874
Refund liabilities	6,815	6,979
Deferred revenue	1,824	1,551
Current portion of debt (Note F)	5,250	3,000
Business acquisition obligations	3,098	4,218
Total current liabilities	42,313	50,758
Long-term debt (Note F)	0	3,000
Noncurrent business acquisition obligations	0	2,479
Noncurrent refund liabilities	1,050	1,159
Other long-term liabilities	1,226	1,538
Total liabilities	44,589	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; 28,850,338 shares issued and outstanding as of March 31, 2013 and 27,893,132 shares issued and outstanding as of December 31, 2012	289	279
Additional paid-in capital	600,769	594,045
Accumulated deficit	(513,697)	(513,200)
Accumulated other comprehensive income	3,044	3,528
Total shareholders' equity	90,405	84,652
Total liabilities and shareholders' equity	$ 134,994	$ 143,586