Note 10 - Stock-Based Compensation (Details) - A Summary of the Status of the Company's Unvested Option Shares (USD $)	9 Months Ended
	Sep. 30, 2014
Note 10 - Stock-Based Compensation (Details) - A Summary of the Status of the Company's Unvested Option Shares [Line Items]
Options granted	146,400
Employee Stock Option [Member]
Note 10 - Stock-Based Compensation (Details) - A Summary of the Status of the Company's Unvested Option Shares [Line Items]
Unvested	79,225
Unvested	$ 3.98
Options granted	146,400
Options granted	$ 4.13
Options cancelled	(15,400)
Options cancelled	$ 3.98
Options vested	(52,500)
Options vested	$ 4.39
Unvested	157,725
Unvested	$ 3.98