Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net loss	$ (11,899)	$ (7,826)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,598	1,196
Amortization of acquisition-related inventory step-up	1,829	51
Provision for bad debts, net of recoveries	(111)	(41)
Provision for excess and obsolete inventory	1,311	206
Share-based compensation expense	1,066	790
Amortization of debt discount and debt issuance costs	2,112	0
Deferred income taxes	88	0
Unrealized foreign currency transaction loss, net	1,171	0
Other	445	0
Changes in assets and liabilities, net of effects from acquisitions:
Accounts receivable	378	(6,111)
Inventories	3,649	1,449
Prepaid expenses and other assets	(922)	1,152
Accounts payable	(10,063)	(3,601)
Accrued expenses, income taxes, and other	1,010	5,602
Net cash used in operating activities	(6,338)	(7,133)
Cash flows from investing activities:
Acquisitions, net of cash acquired	0	(9,063)
Purchases of property, plant and equipment	(448)	(111)
Proceeds from the sale of property, plant and equipment	115	0
Purchases of intangible assets	(656)	(224)
Net cash used in investing activities	(989)	(9,398)
Cash flows from financing activities:
Proceeds from the exercise of warrant to purchase common stock	0	8,644
Net repayments on DigiCore bank facilities	(156)	0
Net borrowings on revolving credit facility	3,400	2,000
Payoff of acquisition-related assumed liabilities	0	(2,633)
Principal payments under capital lease obligations	(273)	0
Principal payments on mortgage bond	(54)	0
Taxes paid on vested restricted stock units, net of proceeds from stock option exercises	(9)	66
Net cash provided by financing activities	2,908	8,077
Effect of exchange rates on cash and cash equivalents	110	(29)
Net decrease in cash and cash equivalents	(4,309)	(8,483)
Cash and cash equivalents, beginning of period	12,570	17,853
Cash and cash equivalents, end of period	8,261	9,370
Cash paid during the year for:
Interest	154	36
Income taxes	$ 18	$ 2