PROPERTY AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2011

Property and equipment

Property and equipment consisted of the following at December 31:

	2011			2010
Furniture and fixtures	$	3,381,076		$	3,138,617
Equipment		14,869,677			12,541,199
Purchased software		7,142,797			5,845,189
Leasehold improvements		1,042,567			810,454
		26,436,117			22,335,459
Less accumulated depreciation		(17,583,287	)		(15,576,974	)
Property and equipment, net	$	8,852,830		$	6,758,485