Note 5 - Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	35.00%	35.00%
Deferred Tax Assets, Net, Current	$ 53,000	$ 547,000
Deferred Tax Liabilities, Net, Noncurrent	7,132,000	7,527,000
Valuation Allowance, Deferred Tax Asset, Change in Amount	14,000	214,000	0
Capital Loss Carryforwards	3,100,000
Deferred Tax Assets, Valuation Allowance	1,124,000	1,138,000
Undistributed Earnings of Foreign Subsidiaries	10,700,000
Potential Income Tax Related To Repatriation Of Foreign Earnings		705,000
Unrecognized Tax Benefits	188,000	224,000	266,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	5,000
Unrecognized Tax Benefits, Income Tax Penalties Accrued	$ 0