Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities:
Net loss	$ (8,047,299)	$ (12,798,872)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	70,840	81,450
Stock-based compensation expense	385,605	971,832
Common stock issued for advisory services		25,000
Change in deferred income taxes	(485,216)	(482,425)
Goodwill impairment		4,186,050
Changes in operating assets and liabilities:
Prepaid expenses, deposits and other assets	352,252	405,620
Accounts payable, accrued expenses and other liabilities	303,466	(134,202)
Net cash used in operating activities	(7,420,352)	(7,745,547)
Cash flows provided by financing activities:
Repayment of convertible debt principal		(550,000)
Proceeds from the sale of common stock	5,731,779	10,846,062
Payment of offering costs	(162,829)	(428,542)
Net cash provided by financing activities	5,568,950	9,867,520
Net (decrease) increase in cash and cash equivalents	(1,851,402)	2,121,973
Cash and cash equivalents at beginning of period	7,991,172	8,896,468
Cash and cash equivalents at end of period	6,139,770	11,018,441
Supplemental disclosure of cash flow information
Cash paid for interest		40,142
Supplemental disclosure of non-cash investing and financing activities:
Reclassification of accrued dividends related to the issuance of common stock to Series A convertible preferred stockholders		1,148,307
Series A cumulative preferred dividends		85,993
Operating lease right of use asset and current and noncurrent liability	$ 334,205