Convertible Preferred Stock Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018 shares	Mar. 31, 2018 USD ($) shares	Jun. 30, 2018	Dec. 31, 2019 shares	Dec. 31, 2018 shares
Equity [Abstract]
Preferred Stock, Shares Issued		707,680		0	0
Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants | $		$ 4.4
Shares of common stock issued, after preferred stock conversion	11,837,073
Reverse Stock Split, Conversion Ratio	1.78112
Preferred Stock, Dividend Rate, Percentage			8.00%