SHARE-BASED COMPENSATION, STOCK OPTIONS, AND RESTRICTED SECURITIES, SUMMARY OF OPTION ACTIVITY - (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Option activity disclosures
Weighted Average Remaining Contractual Term - Outstanding			7 years 7 months 24 days		8 years 2 months 1 day
Weighted Average Remaining Contractual Term - Vested			6 years 9 months 29 days
Stock Option
Stock-based compensation (in dollars)	$ 45	$ 68	$ 115	$ 135
Stock Options
Summary of option activity - Shares
Outstanding at the beginning of year (in shares)			4,187
Outstanding at the end of period (in shares)	4,187		4,187		4,187
Vested at the end of period (in shares)			(2,061)
Summary of option activity - Weighted Average Exercise Price
Outstanding at the beginning of year (in dollars per shares)			$ 1,077.78
Outstanding at the end of period (in dollars per shares)	$ 1,077.78		1,077.78		$ 1,077.78
Vested at the end of period (in dollars per share)	$ 2,022.20		$ 2,022.20
Stock Option
Total fair value of options vested	$ 24	33	$ 80	69
Stock-based compensation (in dollars)	21	$ 43	64	$ 84
Total unrecognized compensation expense	$ 116		$ 116
Period for unrecognized compensation expense is estimated to be recognized			1 year 2 months 16 days