Note 10 - Stock-Based Compensation (Details) - A Summary of the Status of the Company's Unvested Option Shares (USD $)	6 Months Ended
	Jun. 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	(3,225)
Options cancelled	$ 3.89
Options vested	(35,006)
Options vested	$ 4.39
Unvested	187,394
Unvested	$ 4.02