Note 7 - Commitments and Contingencies - Contractual Obligation Fiscal Year Maturity Schedule (Details) $ in Thousands	Dec. 31, 2022 USD ($)
2023	$ 3,288
2024	4,783
2025 and beyond	712
Total Manufacturing and Servicing Obligations	$ 8,783

Amount of contractual obligation to be paid in fourth fiscal year and after following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

No definition available.

Name:	frpt_ContractualObligationToBePaidYearFourAndAfter
Namespace Prefix:	frpt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant