INVESTMENTS - (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Investments
Fair Value	$ 5,094	$ 5,108
Level 2
Investments
Fair Value	5,094	5,108
US Treasury Bill
Investments
Fair Value	100
US Treasury Bill | Level 2
Investments
Fair Value	100
Corporate Bonds
Investments
Fair Value	4,616	4,772
Corporate Bonds | Level 2
Investments
Fair Value	4,616	4,772
Money Market & CD’s
Investments
Fair Value	378	336
Money Market & CD’s | Level 2
Investments
Fair Value	$ 378	$ 336