Warrants (Details) - Warrants (Equity) [Member]	6 Months Ended
	Jun. 30, 2020 $ / shares shares
Class of Warrant or Right [Line Items]
Number of Shares, Warrants, Beginning Balance | shares	4,733,028
Number of Shares, Warrants issued | shares	(27,600)
Number of Shares, Warrants expired | shares	(89,238)
Number of Shares, Warrants, Ending Balance | shares	4,616,190
Weighted Average Exercise Price, Beginning Balance | $ / shares	$ 4.83
Weighted Average Exercise Price, Warrants issued | $ / shares	4.38
Weighted Average Exercise Price, Warrants expired | $ / shares	9.49
Weighted Average Exercise Price, Ending Balance | $ / shares	$ 4.74
Weighted Average Remaining Contractual Life, Beginning Balance	3 years 4 months 28 days
Weighted Average Remaining Contractual Life, Ending Balance	2 years 11 months 19 days