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Note 9 - Net Loss Per Share - Antidilutive Securities (Details) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Equity Option [Member]
Antidilutive Securities (in shares)	1,144,240	1,245,151
Warrant [Member]
Antidilutive Securities (in shares)		15,791
Restricted Stock [Member]
Antidilutive Securities (in shares)	275,500	254,700
Restricted Stock Units (RSUs) [Member]
Antidilutive Securities (in shares)	27,378

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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