Note 7 - Convertible Debentures (Tables)

6 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Extinguishment of Debt [Table Text Block]

Payment	$	7,500,000
Repayment of Thirty-Year debentures		(5,500,000	)
Payment of accrued liquidated damages and interest		(897,000	)
Loss on modification of Series A warrants		(149,000	)
Cancellation of Series B derivative obligation		(159,000	)
Loss on extinguishment of debt	$	795,000