Accounts Payable and Accrued Expenses

12 Months Ended

Dec. 31, 2018

Payables And Accruals [Abstract]

Accounts Payable and Accrued Expenses

8. Accounts payable and accrued expenses:

Accounts payable and accrued expenses consisted of the following:

	December 31,
	2018		2017
Trade payables	$	665	$	1,253
Employee compensation, benefits, and related accruals		1,728		1,017
Consulting and contracted research		1,404		817
Professional fees		237		252
Other		85		44
Total	$	4,119	$	3,383