CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	15,000,000	15,000,000
Preferred stock, shares issued (in shares)	47	47
Preferred stock, shares outstanding (in shares)	47	47
Preferred stock, liquidation preference	$ 243
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	17,576,916	7,898,117
Common stock, shares outstanding (in shares)	17,576,916	7,898,117