Note 14 - Subsequent Events (Details) - USD ($)		2 Months Ended	3 Months Ended		12 Months Ended
	Apr. 01, 2016	May. 16, 2016	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Note 14 - Subsequent Events (Details) [Line Items]
Preferred Stock, Dividend Rate, Percentage			5.00%
Stock Issued During Period, Shares, Conversion of Convertible Securities			14,015,696
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period			0		292,500
Proceeds from Stock Options Exercised			$ 0	$ 750
Subsequent Event [Member]
Note 14 - Subsequent Events (Details) [Line Items]
Repayments of Lines of Credit	$ 800,000
Stock Issued During Period, Shares, Conversion of Convertible Securities	600,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		1,004,606
Proceeds from Stock Options Exercised		$ 125,000
Series A Preferred Stock [Member]
Note 14 - Subsequent Events (Details) [Line Items]
Preferred Stock, Dividend Rate, Percentage			5.00%
Series A Preferred Stock [Member] | Subsequent Event [Member]
Note 14 - Subsequent Events (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	150,000
Preferred Stock, Dividend Rate, Percentage	5.00%
Dividends Waived, Preferred Stock	$ 102,916