XML 17 R7.htm IDEA: XBRL DOCUMENT v3.7.0.1
Condensed Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Cash flow from operating activities:    
Net loss $ (1,341,847) $ (2,176,369)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 18,574 21,040
Vested stock options and warrants 587,444 37,775
Issuance of common stock in cashless warrant exchange 468,158
Loss on Sales of Equipment 145
Gain from sale of marketable securities (1,837)
Changes in assets and liabilities:    
Accounts receivable (29,587) (14,495)
Inventories 23,022 (24,791)
Prepaid expense and other assets (11,645) 100,690
Accounts payable (140,848) 141,271
Accrued expenses (265,893) (141,306)
Deferred Revenue 6,409
Net cash used in operating activities: (1,156,208) (1,587,882)
Cash flow from investing activities:    
Purchase of marketable securities (800,000)
Proceeds from sale of marketable securities 284,665
Purchase of certificates of deposit (2,593,985) (1,000,000)
Purchase of fixed assets (26,898) (17,387)
Purchase of intangibles (194) (1,424)
Net cash used in investing activities: (2,336,412) (1,818,811)
Cash flow from financing activities:    
Issuance of common stock 3,814,938 86,253
Net cash provided by (used in) financing activities 3,814,938 86,253
Net increase (decrease) in cash 322,318 (3,320,440)
Cash at beginning of period 1,764,090 4,856,232
Cash at end of period $ 2,086,408 $ 1,535,792