SHARE-BASED COMPENSATION, STOCK OPTIONS, AND RESTRICTED SECURITIES, SUMMARY OF OPTION ACTIVITY - (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stock Option
Stock-based compensation (in dollars)	$ 268	$ 618
Stock Options
Summary of option activity - Shares
Outstanding at the beginning of year (in shares)	1,858	4,570
Granted (in shares)	3,000	520
Expired (in shares)	(85)	(180)
Cancelled/Forfeited (in shares)	(586)	(3,052)
Outstanding at the end of period (in shares)	4,187	1,858	4,570
Vested at the end of period (in shares)	1,000
Summary of option activity - Weighted Average Exercise Price
Outstanding at the beginning of year (in dollars per shares)	$ 2,976.58	$ 4,845.94
Granted (in dollars per shares)	45.90	148.08
Expired (in dollars per shares)	6,794.12	5,130.40
Cancelled/Forfeited (in dollars per shares)	1,195.25	5,166.77
Outstanding at the end of period (in dollars per shares)	1,077.78	$ 2,976.58	$ 4,845.94
Vested at the end of period (in dollars per share)	$ 3,874.14
Option activity disclosures
Weighted Average Remaining Contractual Term - Outstanding	8 years 2 months 1 day	7 years 3 months 26 days	7 years 1 month 21 days
Weighted Average Remaining Contractual Term - Vested	5 years 7 months 17 days
Aggregate Intrinsic Value - Outstanding (in dollars)			$ 22
Stock Option
Weighted average grant-date fair value of options granted	$ 37.46	$ 114.60
Total fair value of options vested	$ 135	$ 952
Stock-based compensation (in dollars)	165	$ 528
Total unrecognized compensation expense	$ 180
Period for unrecognized compensation expense is estimated to be recognized	1 year 7 months 17 days