Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Cash flows from operating activities:
Net loss	$ (7,162,689)	$ (12,713,608)
Income (loss) from discontinued operations	360,133	(3,634,209)
Loss from continuing operations	(7,522,822)	(9,079,399)
Adjustments to reconcile loss from continuing operations to net cash used in operating activities:
Depreciation and amortization	20,659	29,423
Loss on retirement of equipment and furnishings	5,432
Fair value adjustment on warrant liabilities		(527,025)
Loss on goodwill impairment		183,780
Amortization of loan cost and discount		1,157,817
Stock-based compensation expense	2,007,774	1,621,266
Changes in assets and liabilities:
Receivable	140,899	7,356,229
Prepaid expenses and other current assets	(153,335)	1,000,915
Accounts payable	(346,927)	(2,831,236)
Other assets	33,052	(17,709)
Accrued expenses and other current liabilities	436,280	(7,377,978)
Net cash used in continuing operations	(5,378,988)	(8,483,917)
Net cash used in discontinued operations	(339,359)	(2,383,562)
Net cash used in operating activities	(5,718,347)	(10,867,479)
Cash flows from investing activities:
Purchases of equipment and furnishings for continuing operations	(24,658)	(11,478)
Sale of fixed assets held for sale from discontinued operations	500,142
Net cash provided by (used in) investing activities	475,484	(11,478)
Cash flows from financing activities:
Proceeds from common stock issued in public offering, net of fees		6,512,151
Term loan principal repayment		(9,986,362)
Loan end fee payment		(1,771,250)
Net cash used in financing activities		(5,245,461)
Net decrease in cash and cash equivalents	(5,242,863)	(16,124,418)
Cash and cash equivalents at beginning of year	21,373,273	37,497,691
Cash and cash equivalents at end of year	16,130,410	21,373,273
Supplemental disclosures of non-cash financing/investing activities:
Acquisition of fixed assets included in accounts payable	17,170
Supplemental disclosure of Cash Flow Information:
Cash paid during the year for income taxes	800	800
Cash paid during the year for interest		$ 647,308