Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net loss	$ (23,959)	$ (1,473)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, depletion and amortization	807	743
Stock-based compensation expense	212	60
Gain on disposal of discontinued operations	(41)
Loss contingency on discontinued operations	3,165
Gain on sale of assets	(30)	(25)
Amortization of note receivable - related party transaction fee	(177)	(282)
Impairment losses	19,066
Gain on BWI contingency	(800)
Other		(5)
Change in operating assets and liabilities:
Accounts receivable and accounts receivable - related party	158	(141)
Prepaid assets and other	(37)	(97)
Trade payables and other	(753)	691
Net cash used in operating activities - continuing operations	(2,389)	(529)
Net cash used in operating activities - discontinued operations	(41)	(93)
Net cash used in operating activities	(2,430)	(622)
Cash flows from investing activities:
Capital expenditures	(7,997)	(6,618)
Purchase of Global shares	(422)	(171)
Net proceeds from sales of assets	271	53
Origination fee from note receivable - related party restructuring		340
Repayment of note receivable - related party	12,000	5,000
Change in restricted cash	(50)
Net cash provided by (used in) investing activities	3,802	(1,396)
Cash flows from financing activities:
Principal payments on note payable obligations	(17)
Principal payments on capital lease obligations	(228)
Preferred stock repurchased	(80)
Purchase of treasury stock	(847)	(2,966)
Net cash used in financing activities	(1,172)	(2,966)
Net increase (decrease) in cash and cash equivalents	200	(4,984)
Cash and cash equivalents at beginning of period	14,302	19,286
Cash and cash equivalents at end of period	14,502	14,302
Supplemental cash disclosures:
Cash paid for interest	150	0
Noncash financing activities:
Equipment acquired through capital lease obligations	$ 844