Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities:
Net income (loss)	$ 4,036	$ (1,383)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of property and equipment	9,111	9,977
Stock-based compensation expense	3,759	4,561
Amortization of acquired intangible assets	2,759	2,848
Amortization of capitalized software development costs	1,183	895
Deferred tax expense	517	1,541
Amortization of deferred financing fees	473	583
Amortization of investment premiums and accretion of discounts, net	206	323
Other non-cash adjustments	(844)	188
Changes in operating assets and liabilities:
Accounts receivable, net	1,601	794
Unbilled receivables	(15,473)	(15,059)
Inventory	(3,461)	2,434
Deferred project costs and other current assets	1,805	(1,892)
Other assets	(248)	(617)
Accounts payable and accrued expenses	62	3,894
Accrued payroll and related liabilities	(1,739)	(6,921)
Deferred revenue	1,757	(443)
Other liabilities	1,431	(3,316)
Subtotal - Changes in operating assets and liabilities	(14,265)	(21,126)
Net cash provided (used) by operating activities	6,935	(1,593)
Investing activities:
Cash received for business wind-down arrangement		15,016
Proceeds from sale of property and equipment	1,550
Purchases of property and equipment	(7,647)	(3,381)
Capitalized software development costs	(1,071)	(1,042)
Purchases of marketable securities	(21,902)	(24,432)
Proceeds from sale and maturity of marketable securities	18,799	12,948
Net cash used in investing activities	(10,271)	(891)
Financing activities:
Payments on bank borrowings, notes payable, and capital lease obligations	(23,365)	(17,385)
Proceeds from bank and other borrowings	24,938	3,360
Payments of tax withholdings on restricted stock	(1,054)	(833)
Earn-out payment related to 2012 acquisition		(268)
Proceeds from exercise of employee stock options and sale of stock	1,391	658
Net cash provided by (used) in financing activities	1,910	(14,468)
Net decrease in cash	(1,426)	(16,952)
Cash and cash equivalents at the beginning of the period	26,922	41,904
Cash and cash equivalents at the end of the period	$ 25,496	$ 24,952