Accrued expenses consist of the following (in thousands):

 

		January 31,			October 31,
		2017			2016
Professional services		$	401		$	398
Payroll related			86			218
Other			14			21
		$	501		$	637

Deferred revenue, consists of the following (in thousands):

 

		January 31,			October 31,
		2017			2016
License		$	57		$	72
Deferred revenue stream sale			1,011			1,459
		$	1,068		$	1,531

Deferred revenue stream sale consists of the remaining amount of consideration received from the sale of a portion of the Company’s IP revenue stream. The deferred revenue will be recognized upon the expenditure of approved legal costs related to the ongoing IP litigation described in Note 4.