SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Calculation of Basic and Diluted Net Income Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share Disclosure [Line Items]
Net Income (Loss) Attributable to Parent	$ (2,360)	$ 325	$ (4,622)	$ 493
Weighted average shares - basic (in shares)	36,612,537	25,553,097	36,489,914	25,679,720
Effect of dilutive potential common shares	0	2,799,914	0	2,405,611
Weighted average shares - diluted (in shares)	36,612,537	28,353,011	36,489,914	28,085,331
Net (loss) income per share - basic (in dollars per share)	$ (0.06)	$ 0.01	$ (0.13)	$ 0.02
Net (loss) income per share - diluted (in dollars per share)	$ (0.06)	$ 0.01	$ (0.13)	$ 0.02
Anti-dilutive employee share-based awards, excluded	401,000	1,116,000	409,000	1,098,000
Outstanding options and warrants, total	7,892,740	7,212,000	7,892,740	7,212,000