CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities
Net loss	$ (1,090)	$ (3,073)
Adjustment to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,874	$ 2,348
Loss on disposal of assets	2
Amortization of warrants - stock compensation expense	$ 53	$ 63
Change in warrant liabilities		320
Changes in operating assets and liabilities:
Receivables	$ (1,388)	(1,102)
Inventories	(345)	63
Prepaids and other assets	$ (419)	589
Restricted cash		(212)
Accounts payable and accrued liabilities	$ 344	(261)
Deferred pension liability and other	(167)	(754)
Net cash used in operating activities	(1,136)	(2,019)
Cash flows from investing activities
Equipment manufactured for rental	(61)	(19)
Purchases of property and equipment	(190)	(32)
Net cash used in investing activities	(251)	(51)
Cash flows from financing activities
Payments of long-term debt	(43)	$ (46)
Proceeds from long-term debt - unrelated parties	500
Proceeds from long-term debt - related parties	500
Payments of rights offering costs	$ (131)
Proceeds from issuance of restricted stock and warrants		$ 2,355
Net cash provided by financing activities	$ 826	2,309
Net (decrease) increase in cash and cash equivalents	(561)	239
Cash and cash equivalents at beginning of year	650	55
Cash and cash equivalents at end of period	89	294
Supplemental disclosure of cash flow information:
Interest paid	$ 67	$ 24
Income taxes paid