Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net loss	$ (318)	$ (659)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	976	552
Stock-based compensation	106	119
Deferred income taxes	(26)	(150)
Gain on sale of equipment		(110)
Change in operating assets and liabilities, net of effects of acquisition:
Accounts receivable	(1,756)	336
Inventories	3,373	787
Prepaid expenses and other assets	(200)	196
Income taxes receivable	488	1
Accounts payable, accrued expenses, and other liabilities	1,659	40
Total adjustments to net loss	4,620	1,771
Net cash provided by operating activities	4,302	1,112
Cash flows from investing activities:
Acquisition	(10,529)
Proceeds from sale of property and equipment	500	110
Purchase of internal-use software		(286)
Purchase of property and equipment	(17)	(101)
Cash paid for leasehold improvements	(484)
Reimbursement for leasehold improvements	247
Net cash used in investing activities	(10,283)	(277)
Cash flows from financing activities:
Proceeds from revolving credit facility	6,525
Repayments of revolving credit facility	(3,795)
Proceeds from term loan	3,000
Repayments of term loan	(167)
Proceeds from PPP loan	600
Repayment of PPP loan	(600)
Payments for debt issuance costs	(569)
Proceeds from exercise of stock options	67	43
Net cash provided by financing activities	5,061	43
Net (decrease) increase in cash and cash equivalents	(920)	878
Cash and cash equivalents, beginning of period	1,094	6,232
Cash and cash equivalents, end of period	174	7,110
Supplemental disclosures:
Cash paid during the period for interest	$ 23	$ 14