REVENUE RECOGNITION - Product Sales Provisions (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($)
REVENUE RECOGNITION
Product sales provisions	$ 8.2
Minimum estimate product return (as a percent)	2.00%
Maximum estimate product return (as a percent)	3.00%

Aggregate of fee the entity pays for distribution services and certain date that distributors provide to the entity and sales discounts given by the entity, including, but not limited to, early payments of accounts

No definition available.

Name:	mnlo_RevenueRecognitionDistributionTradeDiscountsAndAllowances
Namespace Prefix:	mnlo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration