Note 11 - Stockholders' Equity (Details) - Outstanding Options by Exercise Price Ranges (USD $)	12 Months Ended
	Dec. 31, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding - Option Shares (in Shares)	84,600
Options Outstanding - Weighted Average Exercise Price	$ 5.04
Options Outstanding - Weighted Average Maturity (Years)	7 years 80 days
Options Exercisable - Option Shares (in Shares)	84,600
Options Exercisable - Weighted Average Exercise Price	$ 5.04
Options Exercisable - Weighted Average Maturity (Years)	10 years
Exercise Price Range $2.72 to $3.90 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range - Lower	$ 2.72
Exercise Price Range - Upper	$ 3.90
Options Outstanding - Option Shares (in Shares)	2,000
Options Outstanding - Weighted Average Exercise Price	$ 3.87
Options Outstanding - Weighted Average Maturity (Years)	361 days
Options Exercisable - Option Shares (in Shares)	2,000
Options Exercisable - Weighted Average Exercise Price	$ 3.87
Options Exercisable - Weighted Average Maturity (Years)	361 days
Exercise Price Range $3.91 to $5.30 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise Price Range - Lower	$ 3.91
Exercise Price Range - Upper	$ 5.30
Options Outstanding - Option Shares (in Shares)	82,600
Options Outstanding - Weighted Average Exercise Price	$ 5.07
Options Outstanding - Weighted Average Maturity (Years)	7 years 135 days
Options Exercisable - Option Shares (in Shares)	82,600
Options Exercisable - Weighted Average Exercise Price	$ 5.07
Options Exercisable - Weighted Average Maturity (Years)	7 years 135 days