CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Cash (used in) provided by operating activities
Net loss	$ (2,586)	$ (14,204)	$ (14,204)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Amortization of intangible assets	910	1,045
Depreciation	1,343	1,196
Change in value of warrants	(4,400)	2,500
Stock-based compensation expense	535	799
Amortization of financing fees	179	341
Deferred income taxes	(641)	(276)
Other non-cash adjustments, net	349	(350)
Changes in operating assets and liabilities:
Accounts receivable, net	16,635	9,710
Inventory, net	(12,475)	(9,822)
Prepaid expenses and other assets	(6,542)	(76)
Accounts payable	(104)	3,748
Accrued expenses	12,719	4,757
Other noncurrent liabilities	(6,623)	2,910
Net cash (used in) provided by operating activities	(701)	2,278
Cash used in investing activities
Capital expenditures	(816)	(467)
Asset acquisitions	0	(1,029)
Net cash used in investing activities	(816)	(1,496)
Cash provided by (used in) financing activities
Proceeds from revolving line of credit	137,298	106,216
Repayments of revolving line of credit	(135,086)	(106,608)
Other financing activities, net	(748)	(390)
Net cash provided by (used in) financing activities	1,464	(782)
Net decrease in cash and restricted cash	(53)	0
Cash at beginning of the period	54	0	0
Cash at end of the period	$ 1	$ 0	$ 54

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