CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities
Net (loss) income	$ (1,868,000)	$ 833,000
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Inventory write-down	175,000	0
Depreciation and amortization	959,000	1,042,000
Share-based compensation expense	98,000	23,000
Gain from insurance proceeds	(38,000)	(487,000)
Amortization of loan fees included in interest expense	39,000	71,000
Change in assets and liabilities
Receivables	(1,017,000)	(2,042,000)
Receivables from related parties	(3,000)	44,000
Inventories	1,501,000	(2,883,000)
Income tax receivable/payable	(3,000)	8,000
Prepaid expenses and other assets	(134,000)	(188,000)
Accounts payable	(676,000)	1,638,000
Payables and accrued expenses to related parties	0	(167,000)
Other current liabilities	129,000	(224,000)
Net cash used in operating activities	(838,000)	(2,332,000)
Cash flows from investing activities
Proceeds from insurance claim, net	38,000	487,000
Purchases of property and equipment	(227,000)	(104,000)
Net cash (used in) investing activities	(189,000)	383,000
Cash flows from financing activities
Loan fees capitalized	(22,200)	(109,000)
Change in checks in excess of bank	155,000	194,000
Payments on related party debt	(532,000)	(32,000)
Payments on finance lease obligations	(175,000)	(148,000)
Payments on long-term debt	(189,000)	0
Proceeds from revolving line of credit, net	1,590,000	1,894,000
Net cash from financing activities	827,000	1,799,000
Net change in cash and cash equivalents	(200,000)	(150,000)
Cash and cash equivalents at beginning of period	1,044,000	841,000
Cash and cash equivalents at end of period	844,000	691,000
Supplemental disclosure of cash flow information:
Cash paid for interest	277,000	435,000
Cash paid for taxes	9,000	14,000
Tax refunds received	0	1,000
Supplemental disclosure of noncash investing and financing activities:
Equipment additions financed by debt	88,000	69,000
Equipment additions financed by capital lease obligations	$ 299,000	$ 54,000