Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (2,885)	$ (4,039)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation	1,078	1,058
Amortization of intangible assets	716	721
Amortization of lease right of use asset, net	7	20
Lower of cost or net realizable value inventory adjustment	(868)	(2,895)
Allowance for doubtful accounts	432	(243)
Value of share-based arrangements	125	377
Amortization of deferred finance costs	280	307
Deferred tax (benefit) expense	(13)	72
Changes in assets and liabilities:
Trade accounts receivable	(7,824)	(5,795)
Inventories	1,818	5,085
Prepaid and other assets	364	43
Income taxes receivable	0	0
Accounts payable and accrued expenses	3,175	3,425
Cash used in operating activities	(3,595)	(1,864)
Cash flows from investing activities:
Additions to property, plant, and equipment	(188)	(165)
Cash used in investing activities	(188)	(165)
Cash flows from financing activities:
Borrowing of short-term debt - net	8,000	2,000
Repayment of long-term debt	(566)	(1,073)
Cash provided by financing activities	7,434	927
Increase (decrease) in cash and cash equivalents	3,651	(1,102)
Cash and cash equivalents at beginning of period	2,600	2,272
Cash and cash equivalents at end of period	6,251	1,170
Supplemental Disclosure of Cash Flow Information:
Cash paid during period for interest	2,186	3,906
Cash (refund) payment from income taxes - net	$ (30)	$ (8)