Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net loss from continuing operations	$ (3,079,195)	$ (5,416,019)
Adjustments to reconcile net loss from continuing operations to net cash used in operating activities:
Depreciation and amortization	10,828	15,783
Loss on retirement of fixed assets	5,432
Fair value adjustment on warrant liabilities		(527,025)
Amortization of loan cost and discount		883,153
Stock-based compensation expense	427,880	934,510
Changes in assets and liabilities:
Receivables	139,144	1,359,740
Prepaid expenses and other current assets	448,143	1,698,378
Other assets	27,993
Accounts payable	(339,027)	(2,536,462)
Accrued expenses and other current liabilities	211,549	(578,272)
Net cash used in operating activities from continuing operations	(2,147,253)	(4,166,216)
Net cash used in operating activities from discontinued operations	(348,338)	(1,306,534)
Net cash used in operating activities	(2,495,591)	(5,472,750)
Cash flows from investing activities:
(Purchase) Sale of fixed assets held for sale	500,142	(9,194)
Net cash provided by (used in) investing activities from discontinued operations	500,142	(9,194)
Cash flows from financing activities:
Proceeds from public offering		6,512,151
Term loan principal repayment		(2,102,341)
Net cash provided by financing activities		4,409,810
Net decrease in cash and cash equivalents	(1,995,449)	(1,072,134)
Cash and cash equivalents at beginning of period	21,373,273	37,497,691
Cash and cash equivalents at end of period	19,377,824	36,425,557
Supplemental disclosure of Cash Flow Information:
Cash paid during the period for interest		487,328
Cash paid for income taxes	$ 800	$ 800