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Segment Information
9 Months Ended
Sep. 30, 2011
Segment Information [Abstract] 
Segment Reporting Disclosure [Text Block]
Segment Information
 
FASB ASC 280, Segment Reporting, establishes standards for public companies relating to the reporting of financial and descriptive information about their operating segments in financial statements.  Operating segments are components of an enterprise about which separate financial information is available that is evaluated regularly by chief operating decision makers in the allocation of resources and the assessment of performance.  Our management identifies segments based upon major revenue sources as shown in the tables below.  However, management does not track assets by segment.

For the three months ended September 30, 2011 (in thousands):
 
Sales
 
Rental
 
Service & Maintenance
 
Corporate
 
Total
Revenue
$
4,807

 
$
12,672

 
$
222

 
$
—

 
$
17,701

Operating costs and expenses
3,231

 
5,622

 
92

 
5,113

 
14,058

Other income/(expense)
—

 
—

 
—

 
(45
)
 
(45
)
Income before provision for income taxes
$
1,576

 
$
7,050

 
$
130

 
$
(5,158
)
 
$
3,598


For the three months ended September 30, 2010 (in thousands):
 
Sales
 
Rental
 
Service & Maintenance
 
Corporate
 
Total
Revenue
$
3,695

 
$
10,326

 
$
224

 
$
—

 
$
14,245

Operating costs and expenses
2,201

 
4,188

 
144

 
4,349

 
10,882

Other income/(expense)
—

 
—

 
—

 
13

 
13

Income before provision for  income taxes
$
1,494

 
$
6,138

 
$
80

 
$
(4,336
)
 
$
3,376


For the nine months ended September 30, 2011 (in thousands):
 
Sales
 
Rental
 
Service & Maintenance
 
Corporate
 
Total
Revenue
$
10,586

 
$
35,153

 
$
774

 
$
—

 
$
46,513

Operating costs and expenses
6,417

 
14,893

 
323

 
14,687

 
36,320

Other income/(expense)
—

 
—

 
—

 
671

 
671

Income before provision for  income taxes
$
4,169

 
$
20,260

 
$
451

 
$
(14,016
)
 
$
10,864


For the nine months ended September 30, 2010 (in thousands):
 
Sales
 
Rental
 
Service & Maintenance
 
Corporate
 
Total
Revenue
$
6,936

 
$
30,103

 
$
656

 
$
—

 
$
37,695

Operating costs and expenses
4,329

 
11,784

 
450

 
13,149

 
29,712

Other income/(expense)
—

 
—

 
—

 
(72
)
 
(72
)
Income before provision for  income taxes
$
2,607

 
$
18,319

 
$
206

 
$
(13,221
)
 
$
7,911