Subsequent Events (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jul. 22, 2020 ft²	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2019 ft²
Subsequent Events (Textual)
Rent expense | $				$ 132	$ 127
Operating expenses | $		$ 1,653	$ 2,294	$ 3,994	$ 4,662
Area square feet | ft²						7,632
Subsequent Event [Member]
Subsequent Events (Textual)
Area square feet | ft²	5,103
Lease expiration date	Nov. 30, 2024
Lease commence date	Aug. 01, 2020