Note 14 - Loss Per Share (Detail) - Computation of Basic and Diluted Loss Earnings Per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Numerator:
Net loss (in Dollars)	$ (3,240)	$ (6,072)	$ (3,486)	$ (4,873)	$ (4,354)	$ (4,305)	$ 598	$ (2,716)	$ (17,671)	$ (10,777)
Denominator:
Denominator for basic loss per share – weighted average shares	10,313	10,312	10,304	10,300	10,297	10,294	10,306	10,298	10,310	10,302
Effect of dilutive securities:
Employee stock options and restricted stock									0	0
									0	0
Denominator for diluted loss per share – adjusted weighted-average shares and assumed conversions	10,313	10,312	10,304	10,300	10,297	10,294	10,317	10,298	10,310	10,302
Basic loss per share (in Dollars per share)	$ (0.31)	$ (0.59)	$ (0.34)	$ (0.47)	$ (0.42)	$ (0.42)	$ 0.06	$ (0.26)	$ (1.71)	$ (1.05)
Diluted loss per share (in Dollars per share)	$ (0.31)	$ (0.59)	$ (0.34)	$ (0.47)	$ (0.42)	$ (0.42)	$ 0.06	$ (0.26)	$ (1.71)	$ (1.05)
Weighted average anti-dilutive employee stock options and restricted stock									200	144