CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net loss from continuing operations	$ (3,230,000)	$ (9,085,000)
Adjustments to reconcile net loss to net cash (used in) from operating activities:
Depreciation and amortization	2,297,000	2,354,000
Inventory write-down	0	1,283,000
Share-based compensation expense	357,000	207,000
Impairment loss, property and equipment	0	637,000
Gain on sale of property and equipment	0	(320,000)
Gain from insurance proceeds	(399,000)	0
Deferred income taxes	70,000	0
Amortization of loan fees included in interest expense	130,100	242,400
Change in assets and liabilities
Receivables	(1,692,000)	7,278,000
Receivables from related parties	58,000	201,000
Inventories	(1,027,000)	2,029,000
Income tax receivable/payable	0	(41,000)
Other assets	80,000	128,000
Accounts payable	(547,000)	(470,000)
Payables to related parties	160,000	521,000
Other current liabilities	433,000	66,000
Net cash (used in) from operating activities	(3,310,000)	5,030,000
Cash flows from investing activities
Proceeds from insurance claim	479,000	0
Proceeds from sale of property and equipment	0	2,117,000
Purchases of property and equipment	(8,000)	(21,000)
Net cash from investing activities	471,000	2,096,000
Cash flows from financing activities
Loan fees capitalized	(241,000)	0
Change in bank overdrafts	79,000	(79,000)
Payments on long-term debt	(20,000)	(16,253,000)
Proceeds from long-term debt	0	362,000
Payments on capital lease obligations	(37,000)	0
Proceeds from revolving line of credit, net	2,942,000	0
Net cash from (used in) financing activities	2,723,000	(15,970,000)
Cash flows from discontinued operations
Net cash provided by operating activities	0	1,783,000
Net cash provided by investing activities	0	6,644,000
Net cash from discontinued operations	0	8,427,000
Net change in cash and cash equivalents	(116,000)	(417,000)
Cash and cash equivalents at beginning of year	642,000	1,059,000
Cash and cash equivalents at end of year	526,000	642,000
Supplemental disclosure of cash flow information:
Cash paid for interest	300,000	532,000
Tax refunds received	5,000	2,000
Cash paid for income taxes	15,000	58,000
Supplemental disclosure of noncash investing and financing activities:
Increase (decrease) in equipment purchases accrual	0	(30,000)
Equipment additions financed by capital lease obligations	1,285,000	0
Conversion of related party payables to long-term debt, related parties	1,504,000	0
Common stock issued in exchange for a reduction of accrued but unpaid bonus compensation	0	189,000
Real estate sale proceeds used to offset accrued but unpaid bonus compensation	$ 0	$ 50,000