CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - UNAUDITED - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
OPERATING ACTIVITIES
Net loss	$ (78)	$ (574)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	537	607
Amortization of finite-lived intangible assets	50	51
Stock-based compensation	(4)	201
Impairment of note receivable	0	43
Gain on disposal of assets	(110)	(67)
Bargain purchase gain	(4)	0
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable, net	(450)	1,065
(Increase) decrease in inventories, net	(121)	424
(Increase) decrease in other assets	(36)	42
Increase (decrease) in trade accounts payable, accrued compensation and commissions expense and other accrued liabilities	484	(767)
Net cash provided by operating activities	268	1,025
INVESTING ACTIVITIES
Capital expenditures	(112)	(370)
Acquisition of a business	(295)	0
Other	43	94
Net cash used in investing activities	(364)	(276)
FINANCING ACTIVITIES
Purchase of treasury stock	(4)	0
Net used in financing activities	(4)	0
(Decrease) increase in cash and cash equivalents	(100)	749
Cash and cash equivalents at beginning of period	5,553	5,192
Cash and cash equivalents at end of period	5,453	5,941
Supplemental Disclosure:
Cash paid for interest	17	0
Cash paid for income taxes	$ 38	$ 11