Note 5 - Stock-Based Compensation Plans and Warrants (Details) (USD $)	0 Months Ended	1 Months Ended		6 Months Ended				3 Months Ended	6 Months Ended	126 Months Ended	6 Months Ended	0 Months Ended		6 Months Ended		30 Months Ended			6 Months Ended	0 Months Ended	22 Months Ended	29 Months Ended
	Mar. 05, 2013	Oct. 30, 2012	Nov. 30, 2011	Jun. 30, 2013	Jun. 30, 2012	Jan. 31, 2014	Dec. 31, 2012	Jun. 30, 2013 Outside Director Compensation Plan [Member]	Jun. 30, 2013 Outside Director Compensation Plan [Member]	Jun. 30, 2013 Outside Director Compensation Plan [Member]	Jun. 30, 2013 2009 Equity Incentive Plan [Member] Directors [Member]	Jan. 10, 2011 2009 Equity Incentive Plan [Member]	Jan. 14, 2010 2009 Equity Incentive Plan [Member]	Jun. 30, 2013 2009 Equity Incentive Plan [Member]	Jun. 30, 2012 2009 Equity Incentive Plan [Member]	Jun. 30, 2012 2009 Equity Incentive Plan [Member]	Jan. 31, 2011 2009 Equity Incentive Plan [Member]	Dec. 31, 2009 2009 Equity Incentive Plan [Member]	Jun. 30, 2013 2009 Equity Incentive Plan [Member] Maximum [Member]	May 22, 2009 2007Management Equity Incentive Plan [Member]	May 22, 2009 2007Management Equity Incentive Plan [Member]	Dec. 31, 2009 2007Management Equity Incentive Plan [Member]	Jun. 30, 2013 2003 Management Equity Incentive Plan [Member]	Jun. 30, 2013 2007Management Equity Incentive Plan [Member]	Dec. 18, 2009 2009 Equity Incentive Plan [Member]
Note 5 - Stock-Based Compensation Plans and Warrants (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number				862,500										537,500									315,000	10,000
Officers' Compensation (in Dollars)								$ 7,500	$ 30,000
Allocated Share-based Compensation Expense (in Dollars)				40,000	49,000			5,000	20,000					40,000	182,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized																		850,000							850,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term														10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																			24 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures										92,265	42,265	140,000	115,000			537,500				90,000	240,000	150,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant														15,235			595,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number				72,782		19,483
Proceeds from Issuance of Private Placement (in Dollars)			6,000,000
Stock Issued During Period, Shares, New Issues			666,667
Sale of Stock, Price Per Share (in Dollars per share)			$ 9
Base for Issuing Purchase Warrants			3
Warrant Issued			1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)		10	13
Proceeds from Lines of Credit (in Dollars)	$ 17,500,000	$ 5,000,000
Common Stock, Shares, Issued		250,000		15,452,756			15,438,961
Warrants Outstanding				472,222