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CONDENSED STATEMENTS OF CASH FLOWS (USD $)
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (3,241,166) $ (2,977,891)
Adjustments to reconcile loss to net cash used in operating activities:    
Depreciation and amortization 118,300 108,277
Stock-based compensation expense 244,799 60,284
Change in fair value of warrants 0 286,579
Changes in operating assets and liabilities:    
Accounts Receivable (11,725) 12,867
Receivable from related party 489,048 224,252
Inventory (108) 49,202
Prepaid expenses and other current assets 28,623 (47,974)
Accounts payable (433,965) 386,543
Accrued expenses 41,981 43,058
Deferred revenue (544,706) 329,613
Net cash used in operating activities (3,308,919) (1,525,190)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Capital additions (61,250) (10,247)
Net cash used in investing activities (61,250) (10,247)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from private placement of common stock 0 12,000,000
Private placement offering costs 0 (859,206)
Proceeds from exercises of employee stock options 0 520
Proceeds from employee stock purchase plan 19,244 12,839
Net cash provided by financing activities 19,244 11,154,153
Net increase (decrease) in cash and cash equivalents (3,350,925) 9,618,716
Cash and cash equivalents, beginning of period 7,542,281 1,225,426
Cash and cash equivalents, end of period 4,191,356 10,844,142
Supplemental disclosures of cash flow information:    
Cash paid for interest 0 291,914
Supplemental disclosures of non-cash financing activities:    
Warrants issued in connection with private placements 0 856,683
Conversion of debt to common stock   $ 14,316,255