Note 1 - Summary of Significant Accounting Policies (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 30, 2017 shares	Jun. 30, 2016 shares	Jun. 30, 2017 shares	Jun. 30, 2016 shares
Number of Reportable Segments			2
Weighted Average Number of Shares Outstanding, Basic	4,681,763	4,142,247	4,677,066	4,134,956
Weighted Average Number Diluted Shares Outstanding Adjustment	0	0	0	0