Note 2 - Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Maximum [Member]
Product Warranty Expense	$ 2,000	$ 2,000
Property, Plant and Equipment, Useful Life	7 years
Minimum [Member]
Property, Plant and Equipment, Useful Life	5 years
Electronic Products [Member]
Warranty Term	90 years
Electronic Controllers for Spas and Hot Tubs [Member]
Warranty Term	5 years
Product Warranty Accrual, Current	$ 0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 0	$ 0
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	600,000	600,000
Advertising Expense	$ 21,564	$ 26,654
Shipping, Handling and Transportation Costs	$ 19,894	$ 9,498
Earnings Per Share, Basic and Diluted	$ 0.01	$ 0

The terms of a warranty.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Antidilution

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-Glossary Contingent Stock Agreement

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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- Definition

Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs.

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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