PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
PREPAID EXPENSES AND OTHER CURRENT ASSETS
Maintenance agreements	$ 5,840	$ 1,903
Prepaid software license fees	970	1,445
Prepaid insurance	824	544
Prepaid facility costs	190	72
Other prepaid expenses	728	247
Cash held for clients	451	759
Other current assets	57	32
Total	$ 9,060	$ 5,002