Note 9 - Accrued Liabilities and Deferred Revenues (Detail) - Accrued Liabilities and Deferred Revenue (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Accrued use tax	$ 21	$ 7
Accrued property tax	54
Accrued reclamation costs	6	6
Accrued straight line rent		22
Accrued fees to vendors	303	386
Total accrued liabilities	$ 384	$ 421