Note 7 - Commitments and Contingencies (Details Textual) - USD ($)		3 Months Ended	9 Months Ended
Oct. 01, 2013	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014
IHS [Member] \| Engineering Services [Member]
Monthly Services Revenue	$ 3,000
Sales Revenue, Services, Net		$ 9,000	$ 27,000
Operating Leases, Rent Expense			$ 95,000	$ 95,000

Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_SalesRevenueServicesNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration