CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 203	$ 547
Receivables, less allowance of $397 - 2016 and $559 - 2015	3,035	2,888
Inventories	2,423	1,876
Prepaids and other assets	1,114	605
Total current assets	6,775	5,916
Rental equipment	21,166	21,134
Less accumulated depreciation	17,678	16,452
Total rental equipment, net	3,488	4,682
Property, plant and equipment	1,140	2,159
Less accumulated depreciation	578	1,003
Total property, plant and equipment, net	562	1,156
Goodwill	744	744
Restricted cash	612	215
Other assets	1,479	277
TOTAL ASSETS	13,660	12,990
Current liabilities:
Accounts payable	1,773	1,209
Accrued liabilities	6,025	6,136
Current portion of long-term debt	2,567	1,031
Total current liabilities	10,365	8,376
Long-term liabilities:
Long-term debt, less current portion	217	262
Long-term debt - related party	500
Deferred pension liability and other	3,575	4,508
Total long-term liabilities	4,292	4,770
Total liabilities	14,657	13,146
Stockholders' deficit:
Preferred Series A - $20 stated value - 416,500 shares authorized; shares issued and outstanding: 0 in 2016 and 2015, Preferred Series B - $200 stated value - 51,000 shares authorized; shares issued and outstanding: 16,512 in 2016 and 2015 (liquidation preference $3,396,000)	3,302	3,302
Common - $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	(24,027)	(23,054)
Accumulated other comprehensive loss	(5,146)	(5,257)
Treasury stock - at cost - 27,840 common shares in 2016 and 2015	(3,063)	(3,063)
Total stockholders' deficit	(997)	(156)
TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIT	13,660	12,990
Series A Preferred Stock [Member] | Convertible Preferred Stock [Member]
Stockholders' deficit:
Preferred Series A - $20 stated value - 416,500 shares authorized; shares issued and outstanding: 0 in 2016 and 2015, Preferred Series B - $200 stated value - 51,000 shares authorized; shares issued and outstanding: 16,512 in 2016 and 2015 (liquidation preference $3,396,000)
Series B Preferred Stock [Member] | Convertible Preferred Stock [Member]
Stockholders' deficit:
Preferred Series A - $20 stated value - 416,500 shares authorized; shares issued and outstanding: 0 in 2016 and 2015, Preferred Series B - $200 stated value - 51,000 shares authorized; shares issued and outstanding: 16,512 in 2016 and 2015 (liquidation preference $3,396,000)	$ 3,302	$ 3,302