XML 40 R5.htm IDEA: XBRL DOCUMENT v2.4.0.8
Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Cash flows from operating activities:    
Net loss $ (1,809,970) $ (1,413,229)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 50,003 52,652
Stock-based compensation expense, including warrant modification expense and common stock issued for services 165,638 354,769
Changes in assets and liabilities:    
Grant funds receivable 140,909 241,234
Prepaid expenses and other current assets (20,631) (5,961)
Accounts payable and accrued expenses (142,116) (101,505)
Total adjustments 193,803 541,189
Net cash used in operating activities (1,616,167) (872,040)
Cash flows from investing activities:    
Purchase of property and equipment (35,503) (86,602)
Net cash used in investing activities (35,503) (86,602)
Cash flows from financing activities:    
Net proceeds from sale of common stock   1,643,333
Net cash provided by financing activities   1,643,333
Net increase (decrease) in cash and cash equivalents (1,651,670) 684,691
Cash and cash equivalents at beginning of period 2,513,861 1,035,925
Cash and cash equivalents at end of period $ 862,191 $ 1,720,616