Note 10 - Share Option and Equity Incentive Plan (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	Three months ended March 31,
(in thousands)	2020		2019
Cost of revenue	$	22	$	4
Research and development		134		(18	)
Sales and marketing		305		224
General and administrative		496		635
Total share-based compensation	$	957	$	845