Prepaid Expenses And Other Current Assets

3 Months Ended

Mar. 31, 2012

Prepaid Expenses And Other Current Assets [Abstract]

Prepaid Expenses And Other Current Assets

4. Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consist of the following:

	March 31,	December 31,
	2012	2011
Prepaid expenses	$690,934	$460,297
Deferred cost of revenue	440,875	289,312
Other assets	2,284,931	2,331,875
Total prepaid expenses and other current assets	$3,416,740	$3,081,484

Deferred cost of revenue represents the cost of systems for which title has transferred from the Company but for which revenue has not been recognized.