CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (14,144,049)	$ (8,839,682)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	9,016	13,621
Loss (Gain) on disposal of property and equipment	0	76
Issuance and vesting of compensatory stock options and warrants	316,260	498,491
Issuance of common stock for services rendered	100,362	0
Issuance of common stock as compensation	190,083	79,589
Deemed dividend on preferred stock	7,330,604	0
Change in the fair value of warrants	0	(192,419)
Amortization of premium on marketable securities	91,511	187,513
Changes in operating assets and liabilities
Accounts receivable, prepaid expenses and other assets	(122,605)	1,110,272
Accounts payable and accrued liabilities	729,357	(4,997,978)
Net cash used in operating activities	(5,499,461)	(12,140,517)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of marketable securities	(493,822)	(299,172)
Sale of marketable securities	7,856,215	4,053,081
Purchase of property and equipment	(7,595)	(4,537)
Net cash provided by investing activities	7,354,798	3,749,372
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds for issuance of convertible preferred stock, net of issuance costs	8,907,174	0
Net cash provided by financing activities	8,907,174	0
Net change in cash and cash equivalents	10,762,511	(8,391,145)
Cash and cash equivalents, beginning of period	1,604,810	9,995,955
Cash and cash equivalents, end of period	12,367,321	$ 1,604,810
Non-cash financing activity
Adoption of ASU 2017-11: Reclassification of equity related financial instruments	$ 33,673