Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 24,952	$ 41,904
Marketable securities	31,104	20,004
Accounts receivable, net of allowance of $927 in 2014 and $388 in 2013	46,916	45,789
Unbilled receivables	32,770	16,009
Inventory	7,456	9,890
Deferred project costs and other current assets	17,531	15,286
Total current assets	160,729	148,882
Property and equipment, net of accumulated depreciation and amortization of $83,044 in 2014 and $73,068 in 2013	33,636	38,355
Software development costs, net of accumulated amortization of $2,686 in 2014 and $1,791 in 2013	4,349	4,178
Acquired intangible assets, net of accumulated amortization of $13,021 in 2014 and $10,173 in 2013	18,155	21,003
Goodwill	104,241	104,241
Other assets	4,723	4,796
Total assets	325,833	321,455
Current liabilities:
Accounts payable and accrued expenses	39,200	24,372
Accrued payroll and related liabilities	10,343	14,378
Deferred revenue	24,366	24,809
Current portion of long-term debt and capital lease obligations	18,798	30,145
Total current liabilities	92,707	93,704
Notes payable and capital lease obligations, less current portion	116,523	117,384
Deferred tax liabilities	1,541
Other liabilities	2,813	1,124
Stockholders’ equity:
Additional paid-in capital	345,191	340,814
Accumulated other comprehensive income	30	27
Accumulated deficit	(233,569)	(232,186)
Total stockholders’ equity	112,249	109,243
Total liabilities and stockholders’ equity	325,833	321,455
Class A Common Stock
Stockholders’ equity:
Common stock, value	548	538
Class B Common Stock
Stockholders’ equity:
Common stock, value	$ 49	$ 50