Other Current Assets

Other current assets consist of the following (in thousands):



	December 30, 2017		December 31, 2016
Prepaid expenses	$	17,073	$	13,051
Royalties receivable	7,400		7,500
Employee loans and advances	364		305
Due from related party	39		77
Restricted cash⁽¹⁾	33		2,081
Other current assets	3,161		3,053
Total other current assets	$	28,070	$	26,067

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⁽¹⁾ Restricted cash is comprised of funds received from the Bill and Melinda Gates Foundation. As the Company incurs costs associated with research and development related to this project, on a quarterly basis, the Company reclasses amounts from the grant to offset costs incurred.

During the fourth quarter of fiscal year 2017, the Company recorded a net charge of approximately $10.5 million related to arbitration proceedings that it initiated against a foreign appointed agent seeking to collect amounts that were paid by a foreign government customer to such agent in connection with a foreign government tender, but which have not been remitted to the Company in accordance with the agency agreement. The receivable from the agent had been previously been reclassified into Other Current Assets from Accounts Receivable during the third quarter of fiscal year 2017 when the Company became aware of the customer payments to the agent. (See “Litigation” under Note 17 for additional information on this matter.)