Note 5 - Significant Risks and Uncertainties (Details Textual)	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Sales Revenue, Segment [Member] | Customer Concentration Risk [Member] | Two Customers [Member]
Concentration Risk, Percentage	87.00%	90.00%		90.00%
Sales Revenue, Segment [Member] | Customer Concentration Risk [Member] | Major Customer 1 [Member] | Contract Manufacturing [Member]
Concentration Risk, Percentage	65.00%	64.00%		58.00%	59.00%
Sales Revenue, Segment [Member] | Customer Concentration Risk [Member] | Major Customer 2 [Member] | Contract Manufacturing [Member]
Concentration Risk, Percentage	24.00%	32.00%		37.00%	36.00%
Sales Revenue, Segment [Member] | Customer Concentration Risk [Member] | Major Customer 3 [Member] | Branded Proprietary Products [Member]
Concentration Risk, Percentage	5.00%	23.00%		73.00%	42.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Customers [Member]
Concentration Risk, Percentage			91.00%		90.00%	87.00%
Number of Employees, Geographic Area [Member] | Unionized Employees Concentration Risk [Member]
Concentration Risk, Percentage	67.00%