(4) OTHER ASSETS

Other assets consist of (in thousands):


	April 30,
	2021		2020
Prepaid expenses	$	324	$	464
Receivables		37		156
Right-of-use assets associated with leases of office facilities		84		109
Other assets		172		170
Property and equipment		222		217
Less accumulated depreciation		(194)		(182)
Property and equipment, net		28		35
	$	645	$	934

Prepaid expenses as of April 30, 2021 primarily consist of prepaid insurance, stock compensation, prepayments for office rent, brokers commission related to a building lease and security deposits for the buildings in Palm Coast, Florida. Prepaid expenses as of April 30, 2020 primarily consist of prepaid insurance, stock compensation and in-process prepayments of amounts due under a public improvement district.

Right-of-use assets associated with the leases of office facilities were $84,000 as of April 30, 2021, net of $85,000 of amortized lease cost during 2021, and $109,000 as of April 30, 2020, net of $104,000 of amortized lease cost during 2020. Depreciation expense associated with property and equipment was $11,000 and $20,000 for 2021 and 2020.