Note 8 - Other Assets (Details Textual)	Dec. 31, 2017 NZD	Dec. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)
Other Assets, Current		$ 194,546	$ 369,599
Restricted Cash and Cash Equivalents	NZD 20,000	14,395	14,870
Other Assets, Noncurrent		518,073	509,538
Wainwright [Member]
Assets, Noncurrent		518,073	509,538
Cost Method Investments		$ 500,000	500,000
Cost Method Investment, Ownership Percentage	10.00%	10.00%
Other Assets, Noncurrent		$ 18,073	$ 9,538