Condensed Consolidated Statements of Cash Flows - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES        
Net loss $ (4,320,991) $ (5,016,225) $ (9,441,535) $ (9,253,323)
Adjustments to reconcile net loss to net cash used by operating activities        
Stock based compensation 414,687 245,015 722,934 1,203,663
Depreciation expense 3,451 3,049 6,270 1,325
Change in assets and liabilities        
Increase (decrease) in prepaid expenses 1,391,974 22,018 (1,392,778) (10,014)
Increase (decrease) in subscription receivable 2,761 0 (2,761) 0
Increase decrease in due to related parties (37,714) 0    
Increase (decrease) in accounts payable 249,636 73,683 (328,878) 659,146
(Decrease) increase in accrued expenses 36,935 35,529 (168,910) 273,406
Total adjustments 2,061,730 379,294 (875,065) 2,100,747
Net Cash Used in Operating Activities (2,259,261) (4,636,931) (10,316,600) (7,152,576)
CASH FLOWS FROM INVESTING ACTIVITIES        
Purchase of property and equipment (2,947) (11,827) (11,827) (54,943)
CASH FLOWS FROM FINANCING ACTIVITIES        
Issuance of preferred stock, net of transaction costs     13,532,546
Proceeds from note payable 0 28,904 28,904 0
Repayments on note payable (10,511) (2,628) (18,394) 0
Proceeds from exercise of common stock warrants 274 2,363 5,651 6,132
Net Cash (Used in) Provided by Financing Activities (10,237) 28,639 13,548,707 6,132
NET DECREASE IN CASH (2,272,445) (4,620,119) 3,220,280 (7,201,387)
CASH AT BEGINNING OF PERIOD 11,230,637 8,010,357 8,010,357 15,211,744
CASH AT END OF PERIOD $ 8,958,192 $ 3,390,238 $ 11,230,637 $ 8,010,357
DISCLOSURE OF NON-CASH FINANCING ACTIVITIES:        
Conversion of convertible redeemable preferred stock to common stock 193,650 3,787,537 18,524,163 1,419,410
Accounts Payable [Member]        
Change in assets and liabilities        
Increase decrease in due to related parties     $ (200,000) $ 0
Accrued Liabilities [Member]        
Change in assets and liabilities        
Increase decrease in due to related parties     389,058 (51,779)
Common Stock [Member]        
CASH FLOWS FROM OPERATING ACTIVITIES        
Net loss $ 0   0 0
Adjustments to reconcile net loss to net cash used by operating activities        
Consulting services paid by issuance     0 25,000
Series B Units [Member]        
Adjustments to reconcile net loss to net cash used by operating activities        
Consulting services paid by issuance     $ 100,000