Note 3 - Common Stock (Details Textual) - USD ($)	3 Months Ended
	Jun. 30, 2016	Jan. 31, 2013
Shares Earned Upon Execution Of The Revised Agreement [Member]
Common Stock, Capital Shares Reserved for Future Issuance		100,000
Shares Earned Upon Receipt By The Company [Member]
Common Stock, Capital Shares Reserved for Future Issuance		100,000
Shares Earned Upon The Signing Of Binding Agreements [Member]
Common Stock, Capital Shares Reserved for Future Issuance		100,000
Shares Earned Upon The Commencement Of Construction [Member]
Common Stock, Capital Shares Reserved for Future Issuance		100,000
Common Stock, Capital Shares Reserved for Future Issuance		400,000
Percentage Of Projects Annual Capacity		51.00%
Allocated Share-based Compensation Expense	$ 446,000