Consolidated Balance Sheets - USD ($)	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 12,872,000	$ 38,441,000	$ 56,581,000
Restricted cash	1,339,000	1,339,000	1,339,000
Available-for-sale securities	0	73,448,000	36,199,000
Trade receivables, net of allowances	61,454,000	88,657,000	91,224,000
Inventories	111,190,000	68,085,000	51,140,000
Prepaids and other current assets	14,546,000	25,840,000	19,188,000
Other current assets - restricted, current	3,887,000	0	0
Income taxes receivable	1,998,000	0	4,021,000
Total current assets	207,286,000	295,810,000	259,692,000
Property, plant and equipment, net	32,129,000	24,496,000	23,926,000
Operating lease right-of-use assets	23,620,000	19,108,000	19,876,000
Goodwill	24,510,000	0	0
Other intangible assets, net	9,304,000	9,365,000	9,380,000
Deferred income tax assets, non-current	8,760,000	2,144,000	2,426,000
Income Taxes Receivable, Noncurrent	5,673,000	0	0
Other assets	2,763,000	3,307,000	2,817,000
Total assets	314,045,000	354,230,000	318,117,000
Liabilities and Shareholders' Equity
Trade payables	53,165,000	98,878,000	96,399,000
Accrued liabilities	29,386,000	19,627,000	22,841,000
Operating lease liabilities, current portion	4,494,000	3,384,000	3,331,000
Financing lease liabilities, current portion	119,000	0	0
Warranty obligations, current portion	4,968,000	7,243,000	4,198,000
Income taxes payable	839,000	5,709,000	0
Debt payable, current portion, net of unamortized debt issuance costs	2,243,000	3,000,000	2,792,000
Total current liabilities	95,214,000	137,841,000	129,561,000
Operating lease liabilities, non-current	20,926,000	17,875,000	18,736,000
Financing lease liabilities, non-current	395,000	0	0
Warranty obligations, non-current	1,248,000	1,408,000	1,000,000
Income taxes payable, non-current	4,029,000	3,657,000	4,309,000
Other long-term liabilities	1,071,000	607,000	606,000
Debt payable, non-current, net of unamortized debt issuance costs	27,113,000	10,297,000	10,710,000
Total liabilities	149,996,000	171,685,000	164,922,000
Commitments and contingencies (Note 23)
Common stock - no par value, 75,000 shares authorized, 31,268, 30,576 and 30,330 shares issued and outstanding	6,483,000	2,176,000	3,061,000
Retained earnings	158,093,000	180,524,000	150,120,000
Accumulated other comprehensive (loss) income	(527,000)	(155,000)	14,000
Total shareholders' equity	164,049,000	182,545,000	153,195,000
Total liabilities and shareholders' equity	$ 314,045,000	$ 354,230,000	$ 318,117,000