Note 1 - Description of Business and Significant Accounting Policies (Details Textual)	3 Months Ended
	Mar. 31, 2017 $ / shares shares	Mar. 31, 2016 shares	Dec. 31, 2016 $ / shares shares
Number of Third Party Administrative Agreements in Place	1
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.10		$ 0.10
Common Stock, Shares Authorized	9,000,000		9,000,000
Common Stock, Shares, Issued	5,583,702		5,565,943
Common Stock, Shares, Outstanding	5,583,702		5,565,943
Weighted Average Number of Shares Outstanding, Basic and Diluted	5,571,529	5,295,510