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Note 6 - Commitments and Contingencies Narrative (Details) (USD $)	3 Months Ended
	Jun. 30, 2012
Forward sales commitments gold	no gold ounces
Forward sales commitments silver	72,000 silver ounces
Assessed duties on certain cross border remelting transactions	$ 629,000

X

- Definition

United States Customs and Border Protection Agency assessed duties on certain cross-border remelting transactions

+ References

No definition available.

+ Details

Name:	fil_AssessedDutiesOnCertainCrossBorderRemeltingTransactions
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Forward sales commitments to sell gold

+ References

No definition available.

+ Details

Name:	fil_ForwardSalesCommitmentsGold
Namespace Prefix:	fil_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Forward sales commitments to sell silver

+ References

No definition available.

+ Details

Name:	fil_ForwardSalesCommitmentsSilver
Namespace Prefix:	fil_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration