Note 7 - Debt: Schedule of Debt (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Long-term Debt	$ 2,362us-gaap_LongTermDebt	$ 5,357us-gaap_LongTermDebt
Current portion of long-term debt	(2,362)us-gaap_LongTermDebtCurrent	(2,995)us-gaap_LongTermDebtCurrent
Long-term debt, net of current portion	0us-gaap_LongTermDebtNoncurrent	2,362us-gaap_LongTermDebtNoncurrent
First Mortgage Note Payable
Debt Instrument, Periodic Payment	23
Debt Instrument, Interest Rate, Effective Percentage	5.75%
Debt Instrument, Maturity Date	Jan. 14, 2016
Long-term Debt	1,957	2,116
Second Mortgage Note Payable
Debt Instrument, Periodic Payment	4
Debt Instrument, Interest Rate, Effective Percentage	5.75%
Debt Instrument, Maturity Date	Oct. 01, 2028
Long-term Debt	405	423
Sale Leasback Financing
Long-term Debt	$ 0	$ 2,818

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount of the required periodic payments including both interest and principal payments.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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