Note 14 - Former Employee Severance Expense (Details Textual) - USD ($)		4 Months Ended
Apr. 30, 2015	Apr. 29, 2015	Jun. 30, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	1 year	90 days
Supplemental Unemployment Benefits, Severance Benefits			$ 685,824	$ 0

Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Postemployment Benefits

-URI http://asc.fasb.org/extlink&oid=6519534

Name:	us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant