CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 503	$ 606
Receivables, net	2,659	3,118
Inventories	2,387	1,893
Prepaids and other assets	2,845	671
Total current assets	8,394	6,288
Long-term assets:
Rental equipment, net	2,283	3,089
Property, plant and equipment, net	2,301	2,292
Goodwill	744	744
Restricted cash	1,162	612
Other assets	347	389
Total long-term assets	6,837	7,126
TOTAL ASSETS	15,231	13,414
Current liabilities:
Accounts payable	2,715	1,493
Accrued liabilities	6,419	5,566
Current portion of long-term debt	3,064	2,984
Customer deposits	1,829	234
Total current liabilities	14,027	10,277
Long-term liabilities:
Long-term debt, less current portion	456	57
Long-term debt - related party	500	500
Forgivable loan	650
Deferred pension liability and other	3,418	3,856
Total long-term liabilities	5,024	4,413
Total liabilities	19,051	14,690
Stockholders' deficit:
Preferred Stock Series A - $20 stated value - 416,500 shares authorized; shares issued and outstanding: 0 in 2017 and 2016 and Preferred Stock Series B - $200 stated value - 51,000 shares authorized; shares issued and outstanding: 16,512 in 2017 and 2016 (liquidation preference $3,396,000)	3,302	3,302
Common Stock - $0.001 par value - 10,000,000 shares authorized; shares issued: 1,738,511 in 2017 and 2016; shares outstanding: 1,710,671 in 2017 and 2016	2	2
Additional paid-in-capital	27,935	27,935
Accumulated deficit	(26,573)	(23,842)
Accumulated other comprehensive loss	(5,423)	(5,610)
Treasury stock - at cost - 27,840 common shares in 2017 and 2016	(3,063)	(3,063)
Total stockholders' deficit	(3,820)	(1,276)
TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIT	15,231	13,414
Convertible Preferred Stock [Member] | Series A Preferred Stock [Member]
Stockholders' deficit:
Preferred Stock Series A - $20 stated value - 416,500 shares authorized; shares issued and outstanding: 0 in 2017 and 2016 and Preferred Stock Series B - $200 stated value - 51,000 shares authorized; shares issued and outstanding: 16,512 in 2017 and 2016 (liquidation preference $3,396,000)
Convertible Preferred Stock [Member] | Series B Preferred Stock [Member]
Stockholders' deficit:
Preferred Stock Series A - $20 stated value - 416,500 shares authorized; shares issued and outstanding: 0 in 2017 and 2016 and Preferred Stock Series B - $200 stated value - 51,000 shares authorized; shares issued and outstanding: 16,512 in 2017 and 2016 (liquidation preference $3,396,000)	$ 3,302	$ 3,302