Note 8 - Stock Option Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2016 USD ($) $ / shares shares
Number of options outstanding (in shares) | shares	121,000
Options outstanding, weighted-average exercise price (in dollars per share) | $ / shares	$ 1.23
Number of options granted (in shares) | shares	0
Options granted, weighted-average exercise price (in dollars per share) | $ / shares
Number of options exercised (in shares) | shares	0
Options exercised, weighted-average exercise price (in dollars per share) | $ / shares
Number of options cancelled (in shares) | shares	0
Options cancelled, weighted-average exercise price (in dollars per share) | $ / shares
Number of options outstanding (in shares) | shares	121,000
Options outstanding, weighted-average exercise price (in dollars per share) | $ / shares	$ 1.23
Options outstanding, weighted-average remaining contractual life	5 years
Options outstanding, aggregate intrinsic value | $	$ 596
Number of options exercisable (in shares) | shares	121,000
Options exercisable, weighted-average exercise price (in dollars per share) | $ / shares	$ 1.23
Options exercisable, weighted-average remaining contractual life	5 years
Options exercisable, aggregate intrinsic value | $	$ 596
Number of options exercisable and vested (in shares) | shares	121,000
Options exercisable and vested, weighted-average exercise price (in dollars per share) | $ / shares	$ 1.23
Options exercisable and vested, weighted-average remaining contractual life	5 years
Options exercisable and vested, aggregate intrinsic value | $	$ 596