Segment Information (Details Textual) (USD $)
|
6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2012
Segment
|
Dec. 31, 2011
|
Jun. 30, 2012
Assets Held-for-sale [Member]
|
Jun. 30, 2012
United States [Member]
|
Jun. 30, 2011
United States [Member]
|
Jun. 30, 2012
United States [Member]
|
Jun. 30, 2011
United States [Member]
|
Jun. 30, 2012
Foreign Subsidiaries [Member]
|
Jun. 30, 2011
Foreign Subsidiaries [Member]
|
Jun. 30, 2012
Foreign Subsidiaries [Member]
|
Jun. 30, 2011
Foreign Subsidiaries [Member]
|
|
Segment Information (Textual) [Abstract] | |||||||||||
Percentage of sale based on net revenue | 66.00% | 71.00% | 67.00% | 76.00% | 34.00% | 29.00% | 33.00% | 24.00% | |||
Countries representing > 10% of total net revenue | x | x | x | x | |||||||
Long-lived assets outside of the United States | $ 542,000 | $ 138,000 | $ 381,000 | $ 381,000 | |||||||
Segment Information (Additional Textual) [Abstract] | |||||||||||
Number of business segment | 1 |