CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012		Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 690		$ 1,109
Receivables	2,409	[1]	2,060	[2]
Unbilled receivables	65		63
Inventories	2,874		2,875
Prepaids and other	838		729
Total current assets	6,876		6,836
Rental equipment	43,491		43,252
Less accumulated depreciation	28,001		27,060
Rental equipment, net	15,490		16,192
Property, plant and equipment	4,429		4,381
Less accumulated depreciation	2,376		2,316
Property, plant and equipment, net	2,053		2,065
Asset held for sale	689		696
Goodwill	744		744
Other assets	873		926
TOTAL ASSETS	26,725		27,459
Current liabilities:
Accounts payable	1,503		1,589
Accrued liabilities	8,041		6,719
Current portion of long-term debt	4,044		4,444
Warrant liabilities	5,300		5,408
Total current liabilities	18,888		18,160
Long-term debt:
Notes payable	499		512
Deferred pension liability and other	5,068		4,930
Total liabilities	24,455		23,602
Redeemable convertible preferred stock	6,138	[3]	6,138	[4]
Stockholders’ equity (deficit):
Common Stock	5,071	[5]	5,071	[6]
Additional paid-in-capital	12,624		12,620
Accumulated deficit	(15,113)		(13,443)
Accumulated other comprehensive loss	(3,387)		(3,466)
Less treasury stock - at cost	(3,063)	[7]	(3,063)	[8]
Total stockholders’ deficit	(3,868)		(2,281)
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY (DEFICIT)	$ 26,725		$ 27,459

[1] less allowance of $923 - March 31,2012

[2] less allowance of $884 - December 31,2011

[3] $1 par value - 500,000 authorized, 416,500 Series A convertible preferred shares issued in 2012

[4] $1 par value - 500,000 authorized, 416,500 Series A convertible preferred shares issued in 2011

[5] $1 par value - 5,500,000 shares authorized,5,070,424 common shares issued in 2012

[6] $1 par value - 5,500,000 shares authorized,5,070,424 common shares issued in 2011

[7] 383,596 common shares in 2012

[8] 383,596 common shares in 2011