Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net loss	$ (3,621)	$ (1,093)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, depletion and amortization	544	327
Stock-based compensation expense (benefit)	(59)	106
Gain on disposal of discontinued operations		(41)
Gain on sale of assets	(1)	(47)
Amortization of note receivable - related party transaction fee		(79)
Other	5
Change in operating assets and liabilities:
Accounts receivable and accounts receivable - related party	(5)	17
Prepaid assets and other	23	(157)
Trade payables and other	(242)	(1,243)
Net cash used in operating activities - continuing operations	(3,356)	(2,210)
Net cash used in operating activities - discontinued operations	(1,520)	(43)
Net cash used in operating activities	(4,876)	(2,253)
Cash flows from investing activities:
Capital expenditures	(507)	(5,102)
Purchase of Global shares		(422)
Net proceeds from sales of assets	44	271
Repayment of note receivable - related party		3,000
Change in restricted cash		(50)
Net cash used in investing activities	(463)	(2,303)
Cash flows from financing activities:
Principal payments on note payable obligations	(63)
Principal payments on capital lease obligations	(166)	(67)
Purchase of treasury stock		(847)
Net cash used in financing activities	(229)	(914)
Net decrease in cash and cash equivalents	(5,568)	(5,470)
Cash and cash equivalents at beginning of period	14,502	14,302
Cash and cash equivalents at end of period	8,934	8,832
Supplemental cash disclosures:
Cash paid for interest	$ 69	48
Noncash financing activities:
Equipment acquired through capital lease obligations		$ 844