CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities
Net loss	$ (825,000)	$ (2,990,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Bad debt expense	25,000	0
Depreciation and amortization	1,669,000	1,715,000
Impairment loss, property and equipment	0	80,000
Share-based compensation expense	90,000	333,000
Deferred income taxes	0	70,000
Gain on sale of assets	(28,000)	0
Amortization of loan fees included in interest expense	94,000	100,000
Change in assets and liabilities
Receivables	(2,231,000)	(1,482,000)
Receivables from related parties	59,000	151,000
Inventories	(310,000)	(490,000)
Income tax receivable/payable	11,000	7,000
Other assets	(181,000)	88,000
Accounts payable	92,000	(475,000)
Payables and accrued expenses to related parties	(170,000)	252,000
Other current liabilities	192,000	421,000
Net cash used in operating activities	(1,513,000)	(2,220,000)
Cash flows from investing activities
Proceeds from sale of property and equipment	28,000	0
Purchases of property and equipment	(75,000)	(8,000)
Net cash used in investing activities	(47,000)	(8,000)
Cash flows from financing activities
Loan fees capitalized	(124,900)	(241,000)
Change in checks in excess of bank	(79,000)	41,000
Payments on long-term debt	0	(20,000)
Payments on related party debt	(16,000)	0
Payments on capital lease obligations	(133,000)	(23,000)
Proceeds from revolving line of credit, net	2,239,000	2,321,000
Net cash from financing activities	1,886,000	2,078,000
Cash flows from discontinued operations
Net change in cash and cash equivalents	326,000	(150,000)
Cash and cash equivalents at beginning of period	526,000	642,000
Cash and cash equivalents at end of period	852,000	492,000
Supplemental disclosure of cash flow information:
Cash paid for interest	498,000	186,000
Cash paid for taxes	2,000	2,000
Tax refunds received	5,000	5,000
Supplemental disclosure of noncash investing and financing activities:
Conversion of related party payables to long-term debt, related parties	0	1,504,000
Equipment additions financed by capital lease obligations	75,000	1,285,000
Equipment financed by related party debt	$ 129,000	$ 0