Note 1 - Summary of Significant Accounting Policies (Details Textual)			1 Months Ended	3 Months Ended	9 Months Ended
	Aug. 15, 2015 $ / shares shares	Jul. 22, 2015	Aug. 31, 2015 $ / shares shares	Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 29, 2015	Dec. 31, 2014 USD ($)
IPO [Member] | Chief Executive Officer [Member]
Stock Issued During Period, Shares, New Issues | shares	100,000		100,000
IPO [Member]
Stock Issued During Period, Shares, New Issues | shares	3,300,000		3,300,000
Shares Issued, Price Per Share | $ / shares	$ 10.50		$ 10.50
Unrecognized Tax Benefits				$ 0	$ 0		$ 0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued				$ 0	$ 0		$ 0
Number of Operating Segments					2
Number of States in which Entity Operates				50	50
Stockholders' Equity Note, Stock Split, Conversion Ratio		10.2
Noncontrolling Interest, Ownership Percentage by Parent						50.00%
Payments of Stock Issuance Costs				$ 1,500,000