Segment Reporting (Detail) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011 Intersegment Elimination [Member] Scenario, Previously Reported [Member] Catalyst [Member]	Sep. 30, 2011 Intersegment Elimination [Member] Scenario, Previously Reported [Member] Catalyst [Member]	Jun. 30, 2011 Intersegment Elimination [Member] Scenario, Previously Reported [Member] Catalyst [Member]	Mar. 31, 2011 Intersegment Elimination [Member] Scenario, Previously Reported [Member] Catalyst [Member]	Sep. 30, 2011 Intersegment Elimination [Member] Scenario, Previously Reported [Member] Catalyst [Member]
Number of Operating Segments			2
Segment Reporting Information, Intersegment Revenue					$ 1,300,000
Income (Loss) from Continuing Operations Attributable to Parent	$ (1,971,000)	$ (1,876,000)	$ (6,924,000)	$ (7,573,000)	$ 1,300,000	$ 500,000	$ 400,000	$ 100,000	$ 1,000,000