(2)	Other Current Assets and Other Current Liabilities

Other current assets consist primarily of revenue recognized that has not yet been billed to customers and other non-trade receivables, both of which are due within the next twelve months. The balances are comprised of the following as of the period end indicated:

	Balance at September 30, 2013		Balance at December 31, 2012
Revenue recognized in excess of billings, net of reserves of $1,162 and $1,763, respectively	$	18,389	$	18,812
Equity investment		-		2,016
Other non-trade receivables		614		793
Taxes receivable		14		-
	$	19,017	$	21,621

During the third quarter, we sold the equity investment that was included in other current assets as of December 31, 2012. See Note 4, Fair Value Measurements for additional discussion of this sale.

Other current liabilities consist primarily of customer deposits, the current portion of certain acquisition obligations, accrued taxes, leases payable and other non-trade payables, all of which are due within the next twelve months. The balances are comprised of the following as of the period end indicated:

	Balance at September 30, 2013		Balance at December 31, 2012
Customer deposits	$	2,915	$	3,409
Acquisition obligation		2,602		2,815
Accrued taxes		463		998
Leases line facility		-		897
Leases payable		6		83
Other liabilities		2,584		4,404
	$	8,570	$	12,606