Note 5 - Stock-Based Compensation (Tables)

3 Months Ended

6 Months Ended

Mar. 31, 2013

Jun. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of Options			Weighted Average Exercise Price Per Share
Outstanding at January 1, 2013		429		$	15.50
Granted		—		$	—
Exercised		—		$	—
Forfeited		(2	)	$	66.20
Outstanding at June 30, 2013		427		$	15.30
Exercisable at June 30, 2013		393		$	16.54

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Unvested at January 1, 2013	215
Issued	180
Vested	(95	)
Forfeited	—
Unvested at June 30, 2013	300