|
Segment Information (Details 1) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Mar. 31, 2012
|
Dec. 31, 2011
|
Sep. 30, 2011
|
Jun. 30, 2011
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Mar. 31, 2011
|
|
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | $ 30,905 | $ 25,633 | $ 25,902 | $ 22,533 | $ 20,250 | $ 24,329 | $ 33,595 | $ 25,012 | $ 104,973 | $ 103,186 | $ 74,235 |
|
Africa [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | 235 | 371 | 1,677 | ||||||||
|
Asia [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | 17,048 | 17,339 | 16,134 | ||||||||
|
Australia and New Zealand [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | 29 | 2,840 | 62 | ||||||||
|
Canada [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | 7,084 | 4,626 | 3,059 | ||||||||
|
Central America [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | 4,633 | 224 | 76 | ||||||||
|
Mexico [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | 89 | 112 | 930 | ||||||||
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Middle East [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | 14,834 | 16,264 | 11,857 | ||||||||
|
South America [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | 3,299 | 5,407 | 6,050 | ||||||||
|
US [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | 55,695 | 55,432 | 33,358 | ||||||||
|
Western Europe [Member]
|
|||||||||||
| Breakdown of net sales by geographic area | |||||||||||
| Net sales | $ 2,027 | $ 571 | $ 1,032 | ||||||||