Note 2 - Significant Accounting Policies and Consolidated Financial Statement Components - Summary of Troubled Debt Restructurings (Details) $ in Thousands		12 Months Ended
		Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Point-of-Sale [Member]
Number of TDRs		19,959		14,919
Amount of TDRs on non-accrual status (in thousands)		$ 25,492		$ 17,152
Carrying value of TDRs (in thousands)		$ 15,044		11,173
Number of accounts		4,971	2,162
Loan balance at time of charge off (in thousands)		$ 7,983	$ 2,779
Point-of-Sale [Member] | Performing Financial Instruments [Member]
Carrying value of TDRs (in thousands)	[1]	11,223		8,797
Point-of-Sale [Member] | Nonperforming Financial Instruments [Member]
Carrying value of TDRs (in thousands)	[1]	$ 3,821		$ 2,376
Point-of-Sale [Member] | Extended Maturity [Member]
Number of TDRs		1,095		812
Amount of TDRs on non-accrual status (in thousands)		$ 2,154		$ 1,205
Direct-to-Consumer [Member]
Number of TDRs		58,959		39,322
Amount of TDRs on non-accrual status (in thousands)		$ 39,359		$ 25,154
Carrying value of TDRs (in thousands)		$ 19,609		15,502
Number of accounts		14,991	6,204
Loan balance at time of charge off (in thousands)		$ 12,358	$ 4,847
Direct-to-Consumer [Member] | Performing Financial Instruments [Member]
Carrying value of TDRs (in thousands)	[1]	16,641		13,387
Direct-to-Consumer [Member] | Nonperforming Financial Instruments [Member]
Carrying value of TDRs (in thousands)	[1]	$ 2,968		$ 2,115
Direct-to-Consumer [Member] | Extended Maturity [Member]
Number of TDRs		2,830		2,035
Amount of TDRs on non-accrual status (in thousands)		$ 2,467		$ 1,553

[1] "TDRs - Performing" include accounts that are current on all amounts owed, while "TDRs - Nonperforming" include all accounts with past due amounts owed.