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Quarterly Results of Operations (Unaudited)
 12 Months Ended
Dec. 31, 2011
Selected Quarterly Financial Information [Abstract]  
Quarterly Results of Operations (Unaudited)
Quarterly Results of Operations (Unaudited)

The following is a summary of the unaudited quarterly results of operations for the years ended December 31, 2011 and 2010.
  
 
1st Quarter
 
2nd Quarter
 
3rd Quarter
 
4th Quarter
 
Total Year
2011:
 
 
 
 
 
 
 
 
 
Product sales
$
28,974,000

 
$
33,547,000

 
$
37,173,000

 
$
39,151,000

 
$
138,845,000

Tooling sales
15,000

 
1,747,000

 
663,000

 
2,151,000

 
4,576,000

Net sales
28,989,000

 
35,294,000

 
37,836,000

 
41,302,000

 
143,421,000

Gross margin
6,592,000

 
7,730,000

 
8,171,000

 
7,390,000

 
29,883,000

Income before interest and taxes
3,669,000

 
4,553,000

 
4,754,000

 
3,968,000

 
16,944,000

Net income
2,269,000

 
2,842,000

 
2,856,000

 
2,559,000

 
10,526,000

Net income per common share:
 
 
 
 
 
 
 
 
 
   Basic
$
0.33

 
$
0.41

 
$
0.41

 
$
0.36

 
$
1.51

   Diluted
$
0.31

 
$
0.39

 
$
0.39

 
$
0.35

 
$
1.44

 
 
 
 
 
 
 
 
 
 
2010:
 
 
 
 
 
 
 
 
 
Product sales
$
19,696,000

 
$
21,473,000

 
$
23,041,000

 
$
25,693,000

 
$
89,903,000

Tooling sales
746,000

 
2,003,000

 
2,254,000

 
5,352,000

 
10,355,000

Net sales
20,442,000

 
23,476,000

 
25,295,000

 
31,045,000

 
100,258,000

Gross margin
4,084,000

 
3,419,000

 
3,134,000

 
5,712,000

 
16,349,000

Income before interest and taxes
1,758,000

 
1,125,000

 
845,000

 
2,689,000

 
6,417,000

Net income (loss)
(137,000
)
 
442,000

 
307,000

 
1,821,000

 
2,433,000

Net income (loss) per common share:
 
 
 
 
 
 
 
 
 
   Basic (1)
$
(0.02
)
 
$
0.06

 
$
0.04

 
$
0.27

 
$
0.36

   Diluted (1)
$
(0.02
)
 
$
0.06

 
$
0.04

 
$
0.25

 
$
0.34


(1) Sum of the quarters do not sum to total year due to rounding.