OPERATING SEGMENTS TOTAL (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
OPERATING SEGMENTS Total Details
Total Operating revenue	$ 835	$ 1,003	$ 1,731	$ 1,892
Total Operating expenses	627	879	1,373	1,731
Total Depreciation, depletion and amortization	96	131	273	313
Total Lease expense	238	245	497	490
Total Total Operating Expenses	961	1,255	2,143	2,534
Total Interest income	5		11
Total Interest expense	(7)	(16)	(18)	(42)
Total Recovery of bad debt expense	0	386		1,124
Total Other income	(5)	(8)	(10)	(16)
Total Segment operating income	$ (133)	$ 110	$ (429)	$ 424