Summary of significant accounting policies (Tables)

3 Months Ended

Mar. 31, 2020

Summary of significant accounting policies

Schedule of impact on the balance sheet upon adoption of lease standard

			Adjustments
			Due to the
	December 31,		Adoption of		January 1,
	2019		Topic 842		2020
Assets:
Operating lease ROU asset	$	—	$	280	$	280
Liabilities:
Operating lease liabilities, current (included in accrued expenses and other current liabilities)		—		224		224
Deferred rent, current (included in accrued expenses and other current liabilities)		2		(2)		—
Operating lease liabilities, noncurrent (included in other liabilities)		—		60		60
Deferred rent, noncurrent (included in other liabilities)		2		(2)		—