Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2020
Components of Deferred Tax Assets and Liabilities [Abstract]
Accrued liabilities	$ 5,828	$ 4,355	$ 4,113
Allowance for doubtful accounts	89	276	83
Inventory valuation	222	223	260
Capitalized indirect inventory costs	1,044	1,043	649
Stock-based compensation expense	895	739	978
Deferred rent	6,065	5,211	5,408
Deferred Tax Assets, Deferred Income	960	43	16
Deferred Tax Asset, Interest Carryforward	383	0	0
Net operating loss carryforward	2,194	1,317	1,427
Basis difference on long-lived assets	1,189	1,205	1,216
Credit carryforward	1,048	276	276
Capital losses	25,744	25,565	26,126
Other	290	279	89
Total deferred income tax assets before valuation allowance	45,951	40,532	40,641
Valuation allowance	(26,510)	(26,335)	(26,985)
Total deferred income tax assets, net of valuation allowance	19,441	14,197	13,656
Prepaid advertising	(273)	(1,133)	(134)
Other prepaids	(135)	(573)	(923)
Basis difference of long-lived assets	(4,740)	(5,664)	(5,275)
Deferred rent	(5,532)	(4,682)	(4,867)
Other	(1)	(1)	(31)
Deferred income tax liabilities	(10,681)	(12,053)	(11,230)
Net deferred income tax asset	$ 8,760	$ 2,144	$ 2,426