Accrued expenses and other consisted of the following as of June 30, 2019 and December 31, 2018:
June 30,
December 31,
2019
2018
(in thousands)
Accrued research and development expenses
$
1,346
1,526
Accrued payroll and related expenses
1,343
2,291
Accrued professional fees
322
221
Accrued other
505
223
3,516
4,261
No definition available.
Tabular disclosure of the components of accrued liabilities.