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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $)
Jun. 30, 2014
Dec. 31, 2013
Current Assets:    
Cash $ 35,553,836 $ 54,191,260
Accounts receivable, net of allowance for doubtful accounts of $27,948 and $26,555, respectively 2,164,738 1,690,753
Inventory 1,452,994 1,043,618
Other current assets 2,678,200 2,477,715
Total current assets 41,849,768 59,403,346
Fixed assets, net 76,689 61,318
Other Assets:    
Prepaid expense 1,511,549 1,750,455
Intangible assets 867,107 665,588
Security deposit 125,000 135,686
Total other assets 2,503,656 2,551,729
Total assets 44,430,113 62,016,393
Current Liabilities:    
Accounts payable 2,330,257 2,114,217
Deferred revenue 1,287,796 1,602,580
Other current liabilities 3,329,418 3,601,189
Total current liabilities 6,947,471 7,317,986
Total liabilities 6,947,471 7,317,986
Commitments and Contingencies      
Stockholders' Equity:    
Preferred stock - par value $0.001; 10,000,000 shares authorized; no shares issued and outstanding      
Common stock - par value $0.001; 250,000,000 shares authorized; 145,926,973 and 144,976,757 issued and outstanding, respectively 145,927 144,977
Additional paid in capital 137,951,719 135,086,056
Accumulated deficit (100,615,004) (80,532,626)
Total stockholders' equity 37,482,642 54,698,407
Total liabilities and stockholders' equity $ 44,430,113 $ 62,016,393