Note 14 - Foreign Currency Rate Fluctuations (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Assets	$ 23,537,000		$ 23,537,000		$ 21,521,000	[1]
Liabilities	11,900,000		11,900,000		11,108,000	[1]
Net Income (Loss) Attributable to Parent	636,000	504,000	1,095,000	788,000
International subsidiaries [Member]
Assets	11,300,000		11,300,000
Liabilities	9,300,000		9,300,000
Revenues			25,200,000	13,500,000
Net Income (Loss) Attributable to Parent			$ 165,000	$ 297,000

[1] The Balance Sheet at December 31, 2011, 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.