Consolidated Condensed Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net loss	$ (2,405)	$ (794)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, depletion and amortization	280	133
Stock-based compensation expense (benefit)	(92)	53
Loss on sale of assets	3
Amortization of note receivable - related party transaction fee		(42)
Change in operating assets and liabilities:
Accounts receivable and accounts receivable - related party	41	33
Prepaid assets and other	61	(68)
Trade payables and other	(88)	(628)
Net cash used in operating activities - continuing operations	(2,200)	(1,313)
Net cash provided by (used in) operating activities - discontinued operations	(715)	29
Net cash used in operating activities	(2,915)	(1,284)
Cash flows from investing activities:
Capital expenditures	(372)	(2,293)
Net proceeds from sales of assets	1
Repayment of note receivable - related party		1,500
Change in restricted cash		(50)
Net cash used in investing activities	(371)	(843)
Cash flows from financing activities:
Principal payments on note payable obligations	(63)
Principal payments on capital lease obligations	(91)
Purchase of treasury stock		(319)
Net cash used in financing activities	(154)	(319)
Net decrease in cash and cash equivalents	(3,440)	(2,446)
Cash and cash equivalents at beginning of period	14,502	14,302
Cash and cash equivalents at end of period	11,062	11,856
Supplemental cash disclosures:
Cash paid for interest	$ 44