Note 1 - Principles of Consolidation and Basis of Presentation (Details Textual) (IBio Inc [Member], USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Equity Method Investment, Ownership Percentage	6.00%
Investment Owned, Balance, Shares	1,266,706
Asset Impairment Charges	$ 298
Investment Owned, at Fair Value	$ 900
Minimum Share Price Acceptable Before Required to Sell [Member]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Share Price	$ 0.88