Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net loss	$ (4,039)	$ (3,056)
Adjustments to reconcile net loss to cash (used in) provided by operating activities:
Depreciation	1,058	1,012
Amortization of intangible assets	721	742
Amortization of step-up of basis in inventories	0	1,080
Amortization of lease right of use asset, net	20	0
Lower of cost or net realizable value adjustment	(2,895)	0
Allowance for doubtful accounts	(243)	4
Value of share-based payment arrangements	377	27
Amortization of deferred finance costs	307	241
Deferred tax benefit	72	(1,064)
Changes in assets and liabilities:
Trade accounts receivable	(5,795)	(12,026)
Inventories	5,085	472
Prepaid and other assets	43	2,911
Accounts payable and accrued expenses	3,425	19,160
Cash (used in) provided by operating activities	(1,864)	9,503
Cash flows from investing activities:
Additions to property, plant, and equipment	(165)	(206)
Cash used in investing activities	(165)	(206)
Cash flows from financing activities:
Proceeds from issuance of common stock	0	17
Proceeds (repayment) of short-term debt	2,000	(13,075)
Repayment of long-term debt	(1,073)	(263)
Cash provided by (used in) financing activities	927	(13,321)
Decrease in cash and cash equivalents	(1,102)	(4,024)
Cash and cash equivalents at beginning of period	2,272	5,002
Cash and cash equivalents at end of period	1,170	978
Supplemental Disclosure of Cash Flow Information:
Cash paid during period for interest	3,906	2,930
Cash paid during period for taxes	$ 8	$ 0