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Note 12 - Operating Segments (Detail) (USD $)	3 Months Ended	4 Months Ended
Note 12 - Operating Segments (Detail) (USD $)	Mar. 31, 2013	Mar. 31, 2013
Number of Reportable Segments		2
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	$ 3,443,000	$ 3,690,000
Business Combination Pro Forma Information Expenses Since Acquisition Date Actual	3,108,000	4,046,000
Amortization of Acquired Intangible Assets	477,000	635,000
Adjustment for Long-term Intercompany Transactions, Tax Benefit (Expense)	115,000	115,000
Depreciation And Amortization Expenses [Member]
Amortization of Acquired Intangible Assets		$ 635,000

Tax effect of current period adjustment resulting from gains and losses on intercompany foreign currency transactions that are of a long-term-investment nature, that is, settlement is not planned or anticipated in the foreseeable future. Applies when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting entity's financial statements. Reported in equity as part of accumulated other comprehensive income.

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