Note 6 - Employee Retirement Benefit Plans: Schedule of Settlement of Pension Plan Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	Apr. 23, 2015	Apr. 21, 2015
Details
Unfunded Pension Plan Liability			$ 35,870	$ 35,870
Market value of common shares issued from treasury				(70)
Pension Settlement Obligation	$ (5,624)	$ (5,268)		(7,644)
Total consideration to PBGC				(7,714)
Total gain from settlement of Pension Plan Liabilities				28,156
Pension settlement	(3,620)
Other Comprehensive Income	31,776
Contribution to total comprehensive income				28,156
Current portion of pension settlement obligation	356	382
Pension settlement obligation, net of current portion	5,268	4,886
Pension Settlement Obligation	$ 5,624	$ 5,268		$ 7,644