Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Measurements

Schedule of financial assets and liabilities at fair value

	Level 1		Level 2		Level 3		Total
	(in thousands)
At March 31, 2019
Assets:
Cash and cash equivalents	$	2,237	$	—	$	—	$	2,237
Lease receivables		490		—		—		490
Short-term investments		225		—		—		225
	$	2,952	$	—	$	—	$	2,952
At December 31, 2018
Assets:
Cash and cash equivalents	$	3,293	$	—	$	—	$	3,293
Lease receivables		481		—		—		481
Short-term investments		330		—		—		330
	$	4,104	$	—	$	—	$	4,104