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 loss	$ (1,263)	$ (2,666)
Adjustment to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,237	$ 1,565
Loss on disposal of assets	2
Amortization of warrants - stock compensation expense	$ 35	$ 42
Change in warrant liabilities		334
Changes in operating assets and liabilities:
Receivables	$ (373)	(514)
Inventories	(554)	182
Prepaids and other assets	(186)	816
Accounts payable and accrued liabilities	89	757
Deferred pension liability and other	(52)	(599)
Net cash used in operating activities	(1,065)	(83)
Cash flows from investing activities
Equipment manufactured for rental	(61)	(19)
Purchases of property and equipment	(163)	(2)
Net cash used in investing activities	(224)	(21)
Cash flows from financing activities
Payments of long-term debt	(27)	$ (30)
Proceeds from long-term debt - unrelated parties	500
Proceeds from long-term debt - related parties	$ 500
Proceeds from issuance of restricted stock and warrants		$ 2,200
Net cash provided by financing activities	$ 973	2,170
Net (decrease) increase in cash and cash equivalents	(316)	2,066
Cash and cash equivalents at beginning of year	650	55
Cash and cash equivalents at end of period	334	2,121
Supplemental disclosure of cash flow information:
Interest paid	$ 22	$ 15
Income taxes paid