Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income (loss)	$ 1,465	$ (6,526)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	203	574
Amortization of right-to-use assets	434	390
Amortization of debt discount	431	521
Provision for (recovery of) obsolete inventories	(475)	479
Recovery of losses on accounts receivable	(625)	(230)
Loss on change in derivative liability	0	143
Other non-cash items	0	1
Changes in operating assets and liabilities:
Accounts receivable	(1,426)	2,073
Inventories	(3,690)	(3,004)
Prepaid expenses and other current assets	(415)	67
Other assets	(968)	38
Accounts payable	813	(1,486)
Lease liabilities	(433)	(391)
Accrued expenses and other current liabilities	2,018	4,657
Net cash used in operating activities	(2,668)	(2,694)
Cash flows from investing activities:
Purchase of property and equipment	(135)	(20)
Cash flows from financing activities:
Proceeds from the issuance of debt	1,344	6,674
Repayment of debt	0	(2,312)
Net borrowings from (repayment on) revolving credit facility	2,329	(1,460)
Net cash provided by financing activities	3,673	2,902
Net increase in cash	870	188
Cash at the beginning of the period	424	270
Cash at the end of the period	1,294	458
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for interest	$ 389	$ 234