Condensed Consolidated 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	$ (947)us-gaap_NetIncomeLoss	$ (1,140)us-gaap_NetIncomeLoss
Adjustments to reconcile net loss for the period to net cash used in operations:
Depreciation and amortization	191us-gaap_DepreciationAndAmortization	217us-gaap_DepreciationAndAmortization
Stock-based compensation	228us-gaap_ShareBasedCompensation	414us-gaap_ShareBasedCompensation
Loss/(gain) on disposal of marketable securities	(12)us-gaap_MarketableSecuritiesGainLoss	(13)us-gaap_MarketableSecuritiesGainLoss
Gain on disposal of mineral property	(1,958)
Unrealized loss on other investments	390	(2,054)
Realized gain/(loss) on other investments, net	348us-gaap_GainLossOnSaleOfInvestments	(155)us-gaap_GainLossOnSaleOfInvestments
Other non-cash items		(7)us-gaap_OtherNoncashExpense
Change in working capital account items:
Other current assets	75	426
Accounts payable, accrued liabilities and other	324	41
Net cash used in operating activities	(1,361)	(2,271)
Cash flows from investing activities:
Proceeds from sale of marketable securities	41	29
Proceeds from sale of other investments, net	2,772	10,560
Additions to plant and equipment		(3)
Proceeds from option agreement, net	3,494	50
Net cash (used in)/provided by investing activities	6,307	10,636
Cash flows from financing activities:
Repayment of debt		(6,344)us-gaap_RepaymentsOfSecuredDebt
Net cash provided by financing activities		(6,344)
Net increase/(decrease) in cash and cash equivalents	4,946	2,021
Cash and cash equivalents, beginning of period	3,714	5,475
Cash and cash equivalents, end of period	$ 8,660	$ 7,496

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.