RESTRICTED CASH

A summary of the Company’s restricted cash included in the accompanying Consolidated Balance Sheets as of December 31, 2017 and 2016 was as follows:



	As of December 31,
	2017		2016
Included under the caption "Other assets":
Collateral accounts	$	117	$	557
Rental deposits	554		385
Total amount under the caption "Other assets":	$	671	$	942
Included under the caption "Prepaid and other":
Client guarantees	$	183	$	139
Other	113		108
Total amount under the caption "Prepaid and other"	$	296	$	247
Total restricted cash	$	967	$	1,189

Collateral accounts under the caption "Other assets" primarily include deposits held under a collateral trust agreement, which supports the Company’s workers’ compensation policy. The rental deposits with banks include amounts held as guarantees from subtenants in the U.K. Client guarantees were held in banks in Belgium as deposits for various client projects. Other primarily includes bank guarantee for licensing in Switzerland.