Fair Value Measurements - Schedule of Financial Instrument Measured on Recurring Basis (Details) - USD ($) $ in Thousands		Jun. 30, 2020	Dec. 31, 2019
Warrant liability	[1]	$ 33	$ 82
Fair value of liabilities	[1]	2,894	2,975
Fair Value Measurements [Member]
Warrant liability	[1]	33	82
Fair value of liabilities	[1]	2,894	2,975
Level 1 [Member]
Warrant liability	[1]
Fair value of liabilities	[1]
Level 2 [Member]
Warrant liability	[1]
Fair value of liabilities	[1]
Level 3 [Member]
Warrant liability	[1]	33	82
Fair value of liabilities	[1]	2,894	2,975
Asuragen [Member]
Contingent consideration	[1]	2,861	2,893
Asuragen [Member] | Fair Value Measurements [Member]
Contingent consideration	[1]	2,861	2,893
Asuragen [Member] | Level 1 [Member]
Contingent consideration	[1]
Asuragen [Member] | Level 2 [Member]
Contingent consideration	[1]
Asuragen [Member] | Level 3 [Member]
Contingent consideration	[1]	$ 2,861	$ 2,893

[1] See Note 9, Accrued Expenses and Long-Term Liabilities