Composition of Certain Financial Statement Captions - Summary of Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Mar. 31, 2019
Other Liabilities Current [Abstract]
Sales returns reserves and other customer liabilities	$ 6,575	$ 7,838
Care services liabilities	5,696	1,443
Customer credit balances and deposits	4,071	3,988
Accrued hosting costs	2,971	4,674
Accrued self insurance expense	2,823	2,225
Accrued outsourcing costs	2,444	2,128
Accrued employee benefits and withholdings	2,379	2,426
Accrued EDI expense	2,122	2,037
Contingent consideration related to acquisitions	1,400	1,000
Accrued consulting and outside services	1,380	3,874
Sales tax payable	1,123	509
Accrued legal expense	1,080	699
Accrued royalties	719	3,090
Deferred rent and related lease obligations		2,196
Other accrued expenses	4,148	2,937
Other current liabilities	$ 38,931	$ 41,064