Note 4 - Commitments and Contingencies (Details Textual) - USD ($)	12 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Longview, Texas Office Building [Member]
Lease Expiration Date	Apr. 30, 2018
Humble, Texas Office Building [Member]
Lease Expiration Date	Dec. 31, 2016
Operating Leases, Rent Expense	$ 70,500	$ 70,500

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

No definition available.

Name:	us-gaap_LeaseAndRentalExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration