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4 - RESTRICTED CASH
6 Months Ended
Jun. 30, 2012
Cash and Cash Equivalents Disclosure [Text Block]
4 – RESTRICTED CASH

At June 30, 2012 and December 31, 2011, we had $100,000 and $200,000, respectively, of restricted cash on deposit as collateral for our irrevocable letter of credit in favor of a trade vendor for inventory purchasing.