Note 17 - Equity-Based Compensation (Details) - Stock Options Outstanding - Jun. 30, 2015 - 2011 Stock Incentive Plan [Member] - USD ($)	Total
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options outstanding	402,001
Options outstanding, weighted-average remaining contractual life	6 years 62 days
Options outstanding, value of in-the-money stock options	$ 3,564,029
Options exercisable	244,250
Options exercisable, weighted-average remaining contractual life	5 years 335 days
Options exercisable, value of in-the-money stock options	$ 2,264,460
Range One [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Weighted-average exercise price	$ 10.40
Options outstanding	312,501
Options outstanding, weighted-average remaining contractual life	5 years 321 days
Options outstanding, value of in-the-money stock options	$ 2,928,134
Options exercisable	208,334
Options exercisable, weighted-average remaining contractual life	5 years 321 days
Options exercisable, value of in-the-money stock options	$ 1,952,090
Range Two [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Weighted-average exercise price	$ 11.00
Options outstanding	59,500
Options outstanding, weighted-average remaining contractual life	6 years 18 days
Options outstanding, value of in-the-money stock options	$ 521,815
Options exercisable	34,583
Options exercisable, weighted-average remaining contractual life	6 years 18 days
Options exercisable, value of in-the-money stock options	$ 303,293
Range Three [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Weighted-average exercise price	$ 12.96
Options outstanding	4,000
Options outstanding, weighted-average remaining contractual life	8 years 233 days
Options outstanding, value of in-the-money stock options	$ 27,240
Options exercisable	1,333
Options exercisable, weighted-average remaining contractual life	8 years 233 days
Options exercisable, value of in-the-money stock options	$ 9,078
Range Four [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Weighted-average exercise price	$ 16.43
Options outstanding	26,000
Options outstanding, weighted-average remaining contractual life	9 years 171 days
Options outstanding, value of in-the-money stock options	$ 86,840