4. BALANCE SHEET DETAIL - Accrued expenses and other liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Accrued expenses and other liabilities:
Accrued compensation	$ 3,673	$ 4,659
Purchased intellectual property	1,621
Accrued professional fees		60
Accrued commissions	270	304
Contingent consideration		492
Accrued retention payment		415
Miscellaneous accrued expenses	1,014	939
Total accrued expenses and other liabilities	$ 6,578	$ 6,869