CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities
Net loss	$ (271,000)	$ (1,425,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Bad debt expense	25,000	0
Depreciation and amortization	575,000	550,000
Share-based compensation expense	32,000	136,000
Gain on sale of property and equipment	(28,000)	0
Amortization of loan fees included in interest expense	35,000	40,000
Change in assets and liabilities
Receivables	(842,000)	(426,000)
Receivables from related parties	105,000	145,000
Inventories	(426,000)	(416,000)
Income tax receivable/payable	5,000	3,000
Other assets	(163,000)	(18,000)
Deferred income taxes	0	0
Accounts payable	218,000	(257,000)
Payables to related parties	(145,000)	(75,000)
Other current liabilities	(60,000)	123,000
Net cash used in operating activities	(940,000)	(1,620,000)
Cash flows from investing activities
Proceeds from sale of property and equipment	28,000	0
Purchases of property and equipment	(54,000)	0
Net cash used in investing activities	(26,000)	0
Cash flows from financing activities
Loan fees capitalized	(80,000.0)	(241,000)
Change in bank overdrafts	(55,000)	0
Payments on long-term debt	0	(20,000)
Payments on capital lease obligations	(15,000)	0
Proceeds from revolving line of credit, net	1,093,000	1,667,000
Net cash from financing activities	943,000	1,406,000
Cash flows from discontinued operations
Net change in cash and cash equivalents	(23,000)	(214,000)
Cash and cash equivalents at beginning of period	526,000	642,000
Cash and cash equivalents at end of period	503,000	428,000
Supplemental disclosure of cash flow information:
Cash paid for interest	133,000	22,000
Cash paid for taxes	2,000	0
Supplemental disclosure of noncash investing and financing activities:
Conversion of related party payables to long-term debt, related parties	$ 0	$ 1,504,000