Note 1 - Nature of Business, Significant Accounting Policies and Recent Accounting Guidance (Details) - Antidilutive securities excluded from calculation of diluted earnings per share In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive common stock equivalents excluded from diluted earnings per share	4,413	4,021	4,413	4,021
Equity Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive common stock equivalents excluded from diluted earnings per share	2,732	2,340	2,732	2,340
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive common stock equivalents excluded from diluted earnings per share	1,681	1,681	1,681	1,681