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Supplementary Financial Information to Item 8. (Tables)
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Data
2016
 
Fourth
Quarter
 
Third
Quarter
 
Second
Quarter
 
First
Quarter
Net sales from continuing operations
 
$
7,186

 
$
8,261

 
$
7,126

 
$
8,425

Gross profit from continuing operations
 
(1,072
)
 
3,082

 
2,522

 
3,145

Net loss from continuing operations
 
(7,805
)
 
(3,177
)
 
(3,916
)
 
(1,977
)
Net loss from discontinued operations
 
—

 
—

 
—

 
(12
)
Net loss
 
$
(7,805
)
 
$
(3,177
)
 
$
(3,916
)
 
$
(1,989
)
Net loss per share (basic and diluted):
 
 
 
 
 
 
 
 
Net loss from continuing operations
 
$
(0.67
)
 
$
(0.27
)
 
$
(0.34
)
 
$
(0.17
)
Net loss from discontinued operations
 
—

 
—

 
—

 
—

Net loss
 
$
(0.67
)
 
$
(0.27
)
 
$
(0.34
)
 
$
(0.17
)
 
2015
 
Fourth
Quarter
 
Third
Quarter
 
Second
Quarter
 
First
Quarter
Net sales from continuing operations
 
$
17,249

 
$
18,335

 
$
16,232

 
$
12,587

Gross profit from continuing operations
 
7,571

 
9,130

 
7,440

 
5,151

Net income from continuing operations
 
1,657

 
4,398

 
2,192

 
1,224

Net loss from discontinued operations
 
(373
)
 
(142
)
 
(81
)
 
(95
)
Net income
 
$
1,284

 
$
4,256

 
$
2,111

 
$
1,129

Net income per share (basic):
 
 
 
 
 
 
 
 
Net income from continuing operations
 
$
0.14

 
$
0.42

 
$
0.22

 
$
0.13

Net loss from discontinued operations
 
(0.03
)
 
(0.01
)
 
(0.01
)
 
(0.01
)
Net income
 
$
0.11

 
$
0.41

 
$
0.21

 
$
0.12

Net income per share (diluted):
 
 

 
 

 
 

 
 

Net income from continuing operations
 
$
0.14

 
$
0.41

 
$
0.22

 
$
0.12

Net loss from discontinued operations
 
$
(0.03
)
 
$
(0.01
)
 
$
(0.01
)
 
$
(0.01
)
Net income
 
$
0.11

 
$
0.40

 
$
0.21

 
$
0.11