Note 14 - Related Party Transactions (Details Textual) - USD ($)	9 Months Ended	12 Months Ended
	Mar. 31, 2015	Jun. 30, 2015	Jun. 30, 2014	May. 02, 2014
Interlink Electronics, Inc. [Member] | Reimbursement of Expenses Paid By Related Party [Member]
Related Party Transaction, Amounts of Transaction		$ 43,000	$ 147,000
BKF Capital Group [Member] | License Agreement [Member]
Monthly License Fee Receivable				$ 1,200
Proceeds from License Fees Received	$ 9,600