Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating activities:
Net income (loss)	$ 295	$ (477)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	3,037	3,403
Stock-based compensation expense	1,318	1,821
Amortization of acquired intangible assets	927	949
Deferred tax expense	132
Amortization of capitalized software development costs	387	298
Amortization of deferred financing fees	163	168
Amortization of investment premiums and accretion of discounts, net	82	76
Other non-cash adjustments	141	1,079
Changes in operating assets and liabilities:
Accounts receivable, net	23,265	1,342
Unbilled receivables	(7,462)	(1,063)
Inventory	(2,521)	705
Deferred project costs and other current assets	(6,029)	223
Other assets	80	(193)
Accounts payable and accrued expenses	(1,603)	1,897
Accrued payroll and related liabilities	(3,916)	(5,553)
Deferred revenue	585	(107)
Other liabilities	(429)	3,161
Subtotal - Changes in operating assets and liabilities	1,970	412
Net cash provided by operating activities	8,452	7,729
Investing activities:
Proceeds from sale of property and equipment	1,550
Purchases of property and equipment	(1,697)	(1,038)
Capitalized software development costs	(401)	(504)
Purchases of marketable securities	(1,623)	(2,807)
Proceeds from sale and maturity of marketable securities	2,043	2,525
Net cash used in investing activities	(128)	(1,824)
Financing activities:
Payments on bank borrowings, notes payable, and capital lease obligations	(13,057)	(1,926)
Proceeds from bank and other borrowings	6,000
Payments of tax withholdings on restricted stock	(1,048)	(602)
Earn-out payment related to 2012 acquisition		(268)
Proceeds from exercise of employee stock options and sale of stock	618	69
Net cash used in financing activities	(7,487)	(2,727)
Net increase in cash	837	3,178
Cash and cash equivalents at the beginning of the period	26,922	41,904
Cash and cash equivalents at the end of the period	$ 27,759	$ 45,082