XML 29 R17.htm IDEA: XBRL DOCUMENT v3.7.0.1

Short-Term and Other Investments (Tables)

6 Months Ended

Jun. 30, 2017

Investments, All Other Investments [Abstract]

Schedule Of Summary Of Investments

		June 30, 2017			December 31, 2016
Fair value at beginning of period		$	4,994		$	1,798
Gain/(loss) during the period			(780)			3,196
Fair value at end of period		$	4,214		$	4,994
Midas Gold Shares held at the end of the period			7,802,615			7,802,615

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsAllOtherInvestmentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

A tabular disclosure of (a) the aggregate carrying amount of all cost-method investments; (b) the aggregate carrying amount of cost-method investments that the investor did not evaluate for impairment for cost-method investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596

+ Details

Name:	us-gaap_ScheduleOfCostMethodInvestmentsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration