Operating Segments and Related Information (Tables)
 6 Months Ended
Jun. 30, 2013
Operating Segments and Related Information [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
The following table presents certain continuing operating division information in accordance with the provisions of ASC 280, Segments Reporting.
(in thousands)
Solar
 
Biomedical
 
Total
Company
For the three months ended June 30, 2013
 
 
 
 
 
Net sales and revenues
$
1,892

 
$
1,682

 
3,574

Operating income (loss) from continuing operations
$
(1,938
)
 
$
170

 
(1,768
)
 
 
 
 
 
 
For the three months ended June 30, 2012
 
 
 
 
 

Net sales and revenues
$
4,881

 
$
1,739

 
6,620

Operating income (loss) from continuing operations
$
(1,999
)
 
$
212

 
(1,787
)
 
 
 
 
 
 
For the six months ended June 30, 2013
 
 
 
 
 
Net sales and revenues
$
3,338

 
$
3,474

 
$
6,812

Operating income (loss) from continuing operations
$
(4,730
)
 
$
360

 
$
(4,370
)
 
 
 
 
 
 
For the six months ended June 30, 2012
 
 
 
 
 
Net sales and revenues
$
10,734

 
$
3,361

 
$
14,095

Operating income (loss) from continuing operations
$
(3,543
)
 
$
147

 
$
(3,396
)
Revenues By Geography [Table Text Block]
The following table shows net sales and revenues by geographic area (based on customer location):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(in thousands)
2013
 
%
 
2012
 
%
 
2013
 
%
 
2012
 
%
United States
$
2,261

 
63
%
 
$
2,352

 
35
%
 
$
4,534

 
66
%
 
$
4,949

 
35
%
Europe/Africa
454

 
13

 
444

 
7

 
790

 
12

 
2,686

 
19

Asia
662

 
19

 
3,824

 
58

 
1,271

 
19

 
6,407

 
46

Rest of the world
197

 
5

 
—

 
—

 
217

 
3

 
53

 
—

 
$
3,574

 
100
%
 
$
6,620

 
100
%
 
$
6,812

 
100
%
 
$
14,095

 
100
%