Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Net loss	$ (22,518)	$ (45,527)
Adjustments to reconcile net loss to net cash provided by operating activities:
Stock compensation	2,172	4,389
Depreciation and amortization expense	10,460	15,184
Impairment of Commercial Cyber Solutions goodwill	6,980	0
Amortization of discount on convertible debt	4,700	3,842
(Gain) loss on disposal of assets	(3,447)	1,186
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	3,568	0
Write-off of deferred financing costs	340	0
Deferred taxes	1,974	21,464
Changes in operating assets and liabilities:
Receivables	11,113	6,171
Inventories, net	(1,165)	(4,298)
Prepaid expenses	(1,224)	176
Accounts payable	(3,071)	2,265
Accrued expenses	3,417	8,125
Other	340	1,277
Net cash provided by operating activities	13,639	14,254
Cash flows from investing activities:
Acquisitions, net of cash acquired	(2,504)	(20,766)
Purchases of property and equipment	(8,388)	(12,741)
Proceeds from sale of assets	16,226	0
Net cash provided by (used in) investing activities	5,334	(33,507)
Cash flows from financing activities:
Proceeds from option and warrant exercises, net	2,305	4,623
Net cash provided by financing activities	2,305	4,623
Net increase (decrease) in cash and cash equivalents	21,278	(14,630)
Cash and cash equivalents at beginning of period	21,227	39,601
Cash and cash equivalents at end of period	42,505
Supplemental disclosure of cash flow information:
Cash paid for interest	3,858	3,850
Cash paid for taxes	$ 89	$ 97