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Subsequent Events (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended 0 Months Ended
Mar. 31, 2004
JSP
Aug. 08, 2013
Subsequent event
acre
Aug. 19, 2013
Subsequent event
JSP
item
Subsequent events      
Area of building (in square foot)   196,000  
Purchase price of building   $ 5.0  
Inspection period   90 days  
Number of products under the exclusive distribution agreement     3
Extension term of the agreement     5 years
Number of shares of common stock issued in exchange for exclusive distribution rights 4.0   1.5
Second extension term of the agreement     5 years
Number of shares of common stock issued in exchange for extension of exclusive distribution rights agreement     1.5