Note 2 - Summary of Significant Accounting Policies (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Provision for Doubtful Accounts (in Dollars)	$ (8)	$ 48
Inventory Adjustments (in Dollars)	688	403
Depreciation (in Dollars)	457	259
Foreign Currency Transaction Gain (Loss), before Tax (in Dollars)	$ 12	$ (3)
Minimum [Member]
Property, Plant and Equipment, Estimated Useful Lives	one
Maximum [Member]
Property, Plant and Equipment, Estimated Useful Lives	seven

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

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- Definition

Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected).

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