NOTES PAYABLE (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Total notes payable	$ 6,556	$ 927
Less: Unamortized debt discounts	(482)
Unamortized financing cost	(41)
Total notes payable, net of financing cost	6,033	927
Less: current portion	(5,539)	(402)
Notes payable - long-term portion	494	525
Other short-term notes payable [Member]
Total notes payable	1,143
12% short term promissory notes [Member]
Total notes payable	1,000
Notes payable to Wells Fargo [Member]
Total notes payable	295	300
Note payable to Dept. of Economic and Community Development [Member]
Total notes payable	265	292
Power-Plus Credit Facilities [Member]
Total notes payable		171
Note payable to Power-Plus [Member]
Total notes payable	34	130
Note payable to Peoples United Bank [Member]
Total notes payable	18	19
8% short term promissory note [Member]
Total notes payable	1,212
Short term bank credit [Member]
Total notes payable	1,800
12% September '18 short-term promissory note [Member]
Total notes payable	$ 789
10% short term promissory notes [Member]
Total notes payable		$ 15