Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders Equity Note [Abstract]

Schedule of Warrants Outstanding

At December 31, 2020, the Company had the following warrants outstanding (share amounts in thousands):

Warrant Type	Number of Shares		Exercise Price		Expiration
Common stock		33	$	47.00	January 2023
Common stock		1,846	$	2.40	October 2023