Note 4 - Property and Equipment (Details Textual) - USD ($)	Mar. 31, 2016	Mar. 31, 2015
Continuing Operations [Member]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 373,000	$ 428,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 899,748

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant