Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 27,759	$ 26,922
Marketable securities	22,812	23,226
Accounts receivable, net of allowance of $500 in 2015 and $605 in 2014	51,170	74,051
Unbilled receivables	29,786	22,324
Inventory	8,774	6,253
Deferred project costs and other current assets	24,006	17,977
Total current assets	164,307	170,753
Property and equipment, net of accumulated depreciation and amortization of $86,167 in 2015 and $83,645 in 2014	31,857	33,418
Software development costs, net of accumulated amortization of $3,459 in 2015 and $3,072 in 2014	4,627	4,608
Acquired intangible assets, net of accumulated amortization of $14,897 in 2015 and $13,970 in 2014	16,279	17,206
Goodwill	104,241	104,241
Other assets	3,612	3,855
Total assets	324,923	334,081
Current liabilities:
Accounts payable and accrued expenses	40,931	41,599
Accrued payroll and related liabilities	9,683	13,599
Deferred revenue	21,571	22,000
Current portion of bank borrowings, notes payable, and capital lease obligations	13,723	19,291
Total current liabilities	85,908	96,489
Notes payable and capital lease obligations, less current portion	119,278	119,850
Deferred tax liabilities	3,688	3,556
Other liabilities	2,122	1,340
Stockholders’ equity:
Additional paid-in capital	347,157	346,277
Accumulated other comprehensive loss	(216)	(114)
Accumulated deficit	(233,622)	(233,917)
Total stockholders’ equity	113,927	112,846
Total liabilities and stockholders’ equity	324,923	334,081
Class A Common Stock
Stockholders’ equity:
Common stock, value	560	552
Class B Common Stock
Stockholders’ equity:
Common stock, value	$ 48	$ 48