Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net cash (used in) provided by operating activities	$ (194)	$ 727
Cash flows from investing activities:
Sales of equipment		142
Change in inventory used for rental	73	150
Net cash provided by investing activities	73	292
Cash flows from financing activities:
Net borrowings (repayments) on line of credit	178	(944)
Payments on capital leases and other obligations	(33)	(87)
Net cash provided by (used in) financing activities	145	(1,031)
Net increase (decrease) in cash	24	(12)
Cash at the beginning of the period	63	323
Cash at the end of the period	87	311
Supplemental cash flow information:
Interest paid	258	278
Income taxes paid (including interest and penalties)	$ 0	$ 2