Note 10 - Stockholder's Equity (Details) (USD $)	3 Months Ended	12 Months Ended	3 Months Ended			1 Months Ended				1 Months Ended		11 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 End of One Year [Member] Restricted Stock [Member]	Mar. 31, 2014 Restricted Stock [Member]	Mar. 31, 2014 Consultant Compensation [Member] 2006 Stock Incentive Plan [Member]	Nov. 30, 2011 Series A Preferred Stock [Member]	Mar. 31, 2014 2012 Omnibus Incentive Plan [Member]	May 31, 2012 2012 Omnibus Incentive Plan [Member]	May 31, 2012 Amended and Restated 2006 Stock Incentive Plan [Member]	Jun. 30, 2011 2006 Stock Incentive Plan [Member]	Nov. 30, 2009 2006 Stock Incentive Plan [Member]	Nov. 30, 2011 2006 Stock Incentive Plan [Member]	Dec. 31, 2008 2006 Stock Incentive Plan [Member]	Mar. 31, 2014 2006 Stock Incentive Plan [Member]		Jun. 27, 2007 2006 Stock Incentive Plan [Member]
Note 10 - Stockholder's Equity (Details) [Line Items]
Preferred Stock, Shares Issued						1,000,000
Proceeds from Issuance of Preferred Stock and Preference Stock (in Dollars)						$ 5,000,000
Convertible Preferred Stock, Shares Issued upon Conversion						1,479,949
Preferred Stock, Redemption Price Per Share (in Dollars per share)						$ 3.38
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.001	$ 0.001
Common Stock, Shares Authorized	100,000,000	100,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0	122,685
Stock Issued During Period, Shares, Other	89,230
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			33.00%
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)	3,600,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized								5,700,000	2,100,000							3,700,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant							2,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				3 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Number of Annual Increments				3
Allocated Share-based Compensation Expense (in Dollars)				$ 245,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized										4,000,000	2,000,000	4,000,000	2,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number					71,352		216,250							6,418,455	[1]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share)					$ 3.64		$ 2.25							$ 2.12	[1]

[1] Includes 71,352 exercisable options to purchase common stock at a weighted average exercise price of $3.64 per share being held by consultants.