CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 606	$ 547
Receivables, net	3,118	2,888
Inventories	1,893	1,876
Prepaids and other assets	671	605
Total current assets	6,288	5,916
Long-term assets:
Rental equipment, net	3,089	4,682
Property, plant and equipment, net	2,292	1,156
Goodwill	744	744
Restricted cash	612	215
Other assets	389	277
Total long-term assets	7,126	7,074
TOTAL ASSETS	13,414	12,990
Current liabilities:
Accounts payable	1,493	1,209
Accrued liabilities	5,800	6,136
Current portion of long-term debt	2,984	1,031
Total current liabilities	10,277	8,376
Long-term liabilities:
Long-term debt, less current portion	57	262
Long-term debt - related party	500
Deferred pension liability and other	3,856	4,508
Total long-term liabilities	4,413	4,770
Total liabilities	14,690	13,146
Commitments and contingencies (Note 17)
Stockholders' deficit:
Preferred Stock Series A - $20 stated value - 416,500 shares authorized; shares issued and outstanding: 0 in 2016 and 2015 and Preferred Stock Series B - $200 stated value - 51,000 shares authorized; shares issued and outstanding: 16,512 in 2016 and 2015	3,302	3,302
Common Stock - $0.001 par value - 10,000,000 shares authorized; shares issued: 1,738,511 in 2016 and 2015; shares outstanding: 1,710,671 in 2016 and 2015	2	2
Additional paid-in-capital	27,935	27,914
Accumulated deficit	(23,842)	(23,054)
Accumulated other comprehensive loss	(5,610)	(5,257)
Treasury stock - at cost - 27,840 common shares in 2016 and 2015	(3,063)	(3,063)
Total stockholders' deficit	(1,276)	(156)
TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIT	13,414	12,990
Series A Preferred Stock [Member] | Convertible Preferred Stock [Member]
Stockholders' deficit:
Preferred Stock Series A - $20 stated value - 416,500 shares authorized; shares issued and outstanding: 0 in 2016 and 2015 and Preferred Stock Series B - $200 stated value - 51,000 shares authorized; shares issued and outstanding: 16,512 in 2016 and 2015
Series B Preferred Stock [Member] | Convertible Preferred Stock [Member]
Stockholders' deficit:
Preferred Stock Series A - $20 stated value - 416,500 shares authorized; shares issued and outstanding: 0 in 2016 and 2015 and Preferred Stock Series B - $200 stated value - 51,000 shares authorized; shares issued and outstanding: 16,512 in 2016 and 2015	$ 3,302	$ 3,302