CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 207		$ 1,164
Receivables, less allowance of $193 - 2013 and $64 - 2012	1,817	[1]	1,923	[2]
Unbilled receivables	51		51
Inventories	2,779		2,468
Prepaids and other	761		521
Assets associated with discontinued operations (see Note 4)			735
Total current assets	5,615		6,862
Rental equipment	38,419		38,442
Less accumulated depreciation	26,369		25,532
Rental equipment, net	12,050		12,910
Property, plant and equipment	2,528		2,435
Less accumulated depreciation	1,309		1,264
Property, plant and equipment, net	1,219		1,171
Goodwill	744		744
Other assets	374		395
TOTAL ASSETS	20,002		22,082
LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)
Accounts payable	1,129		1,135
Accrued liabilities	7,963		7,777
Current portion of long-term debt	2,187		2,487
Warrant liabilities	1,435		1,367
Liabilities associated with discontinued operations (see Note 4)			1,767
Total current liabilities	12,714		14,533
Long-term debt:
Notes payable	441		455
Deferred pension liability and other	5,156		5,014
Total liabilities	18,311		20,002
Stockholders' equity (deficit):
Common - $0.001 par value - 60,000,000 shares authorized, 25,895,424 shares issued in 2013 and 2012	26	[3]	26	[4]
Additional paid-in-capital	23,804		23,804
Accumulated deficit	(15,112)		(14,808)
Accumulated other comprehensive loss	(3,964)		(3,879)
Treasury stock - at cost - 383,596 common shares in 2013 and 2012	(3,063)	[5]	(3,063)	[6]
Total stockholders' equity (deficit)	1,691		2,080
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT)	$ 20,002		$ 22,082

[1] less allowance of $193 - March 31, 2013

[2] less allowance of $64 - December 31, 2012

[3] $0.001 par value - 60,000,000 shares authorized, 25,895,424 shares issued in 2013

[4] $0.001 par value - 60,000,000 shares authorized, 25,895,424 shares issued in 2012

[5] 383,596 common shares in 2013

[6] 383,596 common shares in 2012