CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 292	$ 547
Receivables, less allowance of $290 - 2016 and $559 - 2015	3,609	2,888
Inventories	2,339	1,876
Prepaids and other assets	452	605
Total current assets	6,692	5,916
Rental equipment	21,151	21,134
Less accumulated depreciation	17,269	16,452
Total rental equipment, net	3,882	4,682
Property, plant and equipment	1,037	2,159
Less accumulated depreciation	538	1,003
Total property, plant and equipment, net	499	1,156
Goodwill	744	744
Restricted cash	616	215
Other assets	701	277
TOTAL ASSETS	13,134	12,990
Current liabilities:
Accounts payable	1,316	1,209
Accrued liabilities	7,313	6,136
Current portion of long-term debt	960	1,031
Total current liabilities	9,589	8,376
Long-term liabilities:
Long-term debt, less current portion	500	262
Deferred pension liability and other	4,151	4,508
Total long-term liabilities	4,651	4,770
Total liabilities	14,240	13,146
Commitments and contingencies (Note 9)
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 $3,346,000)	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	27,928	27,914
Accumulated deficit	(24,167)	(23,054)
Accumulated other comprehensive loss	(5,108)	(5,257)
Treasury stock - at cost - 27,840 common shares in 2016 and 2015	(3,063)	(3,063)
Total stockholders' deficit	(1,106)	(156)
TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIT	13,134	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 $3,346,000)
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 $3,346,000)	$ 3,302	$ 3,302

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.