Note 7 - Acquisition of EGEN, Inc. (Details) - Summary of Estimated Fair Values of Acquired Assets and Liabilities (USD $)	Jun. 30, 2014	Jun. 06, 2014 EGEN, Inc. [Member]
Note 7 - Acquisition of EGEN, Inc. (Details) - Summary of Estimated Fair Values of Acquired Assets and Liabilities [Line Items]
Property and equipment, net		$ 35,000
In-process research and development		25,802,000
Goodwill	1,938,814	1,939,000
Total assets:		27,776,000
Accounts payable and accrued liabilities		(198,000)
Net assets acquired		$ 27,578,000