Inventories, Net and Significant Suppliers (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Inventories Net And Significant Suppliers (Additional Textual) [Abstract]
Inventory directly written off	$ 20,000	$ 200,000	$ 300,000	$ 600,000
Previously written off inventory book value					0
Samsung [Member]
Inventories, Net and Significant Suppliers (Textual) [Abstract]
Total Inventory Purchased		10.30%		11.20%
Inventory Purchases		8,069,000		24,017,000
Samsung [Member] | Minimum [Member]
Inventories, Net and Significant Suppliers (Textual) [Abstract]
Total Inventory Purchased		10.00%		10.00%
Related party vendor [Member]
Inventories, Net and Significant Suppliers (Textual) [Abstract]
Total Inventory Purchased	4.30%	3.10%	3.60%	2.90%
Percentage of Ownership by Enson Assets Limited in Related party Vendor	40.00%
Inventory Purchases	2,500,000	2,400,000	6,000,000	6,300,000
Payable amounts outstanding	$ 1,900,000		$ 1,900,000		$ 1,900,000