5. WARRANTS (Details) - Warrants [Member] shares in Thousands |
3 Months Ended |
|---|---|
|
Mar. 31, 2018
$ / shares
shares
| |
| Warrants and Rights Note Disclosure, Shares Outstanding [Roll Forward] | |
| Outstanding at beginning | shares | 765 |
| Outstanding at ending | shares | 765 |
| Warrants and Rights Note Disclosure, Weighted Average Exercise Price [Roll Forward] | |
| Outstanding at beginning | $ / shares | $ 5.75 |
| Outstanding at ending | $ / shares | $ 5.75 |
| Warrants and Rights Note Disclosure, Weighted Average Remaining Contractual Term [Roll Forward] | |
| Outstanding at ending | 2 years 7 months 10 days |