Note 1 - Summary of Significant Accounting Policies (As Restated) - Amortization Lives of Intangible Assets (Details)	12 Months Ended
Mar. 31, 2016
Trade Names [Member]
Intangible asset, useful life (Year)	5 years
Patents [Member]
Intangible asset, useful life (Year)	9 years

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration