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Statements of Cash Flows (Unaudited) (USD $)
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Cash flows from operating activities    
Net loss $ (1,442,727) $ (289,682)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation 122,725 118,262
Stock-based compensation expense 109,176 87,553
Stock to be issued for services 150,000 0
Amortization of deferred financing costs 13,022 28,059
Lease incentives received from landlord, net of amortization of deferred rent related to lease incentives (80,137) 123,821
Accretion and amortization on available for sale investments 19,640 0
Change in operating assets and liabilities    
(Increase) Decrease in Accounts receivable, trade 442,776 (380,821)
Inventories (257,232) 63,259
Prepaid expenses and other current assets 9,645 9,439
Increase (Decrease) in    
Accounts payable (696,964) 179,225
Accrued compensation and other current liabilities (324,423) (101,371)
Accrued interest, related parties 177,308 371,110
Deferred rent (10,453) (19,695)
Deferred revenue 0 (109,167)
Net cash provided by (used in) operating activities (1,767,644) 79,992
Cash flows from investing activities    
Purchase of available-for-sale investments (6,065,524) 0
Purchase of property and equipment (97,699) (225,723)
Net cash used in investing activities (6,163,223) (225,723)
Proceeds from exercise of common stock options and warrants 13,596,230 0
Proceeds from notes payable 80,592 25,458
Net cash provided by financing activity 13,676,822 25,458
Net increase (decrease) in cash and cash equivalents 5,745,955 (120,273)
Cash and cash equivalents - beginning of period 156,273 196,478
Cash and cash equivalents - end of period 5,902,228 76,205
Non-cash financing activities    
Conversion of notes payable and related party accrued interest to equity, net of unamortized deferred finance costs (See Note 1) $ 14,180,193 $ 0