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Note 4 - Commitments (Details) (USD $)
6 Months Ended
Jun. 30, 2013
sqft
Commitments and Contingencies Disclosure [Abstract]  
Area of Real Estate Property (in Square Feet) 8,400
Operating Lease, Term of Lease 62 months
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year $ 62,900
Operating Leases, Future Minimum Payments, Due in Two Years 128,920
Unrecorded Unconditional Purchase Obligation $ 201,000