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Note 2 - Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 2 - Significant Accounting Policies (Details) [Line Items]
Inventory Write-down	$ 13,000us-gaap_InventoryWriteDown	$ 46,000us-gaap_InventoryWriteDown
Impairment of Long-Lived Assets Held-for-use	0	0
Product Warranty Accrual	$ 97,000us-gaap_ProductWarrantyAccrual	$ 104,000us-gaap_ProductWarrantyAccrual
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)	795,000	0
Minimum [Member]
Note 2 - Significant Accounting Policies (Details) [Line Items]
Stock Rotation Period	15 months
Warranty Period	1 year
Maximum [Member]
Note 2 - Significant Accounting Policies (Details) [Line Items]
Stock Rotation Period	18 months
Warranty Period	2 years

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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