Note 3 - Average Common Shares Outstanding Used to Compute Net Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
Basic and diluted		18,778,187		18,712,284		18,764,271		18,694,775
Potentially dilutive		67,448		110,193		67,448		110,193