Note 14 - Foreign Currency Rate Fluctuations (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Note 14 - Foreign Currency Rate Fluctuations (Details) [Line Items]
Assets	$ 29,928,000		$ 29,928,000		$ 29,270,000	[1]
Liabilities	14,572,000		14,572,000		14,535,000	[1]
Net Income (Loss) Attributable to Parent	523,000	859,000	794,000	1,954,000
International subsidiaries [Member]
Note 14 - Foreign Currency Rate Fluctuations (Details) [Line Items]
Assets	12,800,000		12,800,000
Liabilities	10,100,000		10,100,000
Revenues			47,800,000	37,800,000
Net Income (Loss) Attributable to Parent			$ 8,000	$ (205,000)

[1] The Balance Sheet at December 31, 2012, is excerpted from the consolidated audited financial statements as of that date but does not include certain information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.