Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Current assets:
Cash and cash equivalents	$ 112,842	$ 96,971
Accounts receivable, net of allowance for expected credit losses of $610 and $318, respectively	22,378	25,175
Contract assets	2,242	1,669
Inventories	9,774	6,940
Prepaid expenses and other current assets	7,422	5,418
Total current assets	154,658	136,173
Property and equipment, net	14,576	6,345
Operating lease right-of-use assets	12,708	9,889
Goodwill	32,638	32,759
Intangible assets, net	18,140	20,178
Deferred income taxes, non-current	2,790	2,664
Other non-current assets	7,526	6,154
Total assets	243,036	214,162
Accrued liabilities:
Accounts payable	9,418	9,766
Contract liabilities	52,124	46,095
Accrued liabilities	13,708	10,552
Operating lease liabilities, current	3,263	5,049
Finance lease obligations, current	2	4
Total current liabilities	78,515	71,466
Deferred income taxes, non-current	2,257	938
Operating lease liabilities, non-current	13,477	5,649
Finance lease obligations, non-current	0	2
Other non-current liabilities	4,018	3,304
Commitments and contingencies (see Note 11)
Shareholders' equity:
Common shares, without par value, at $0.30 stated value; 80,000,000 shares authorized; 31,606,831 shares issued; and 25,326,626 and 24,728,532 shares outstanding at March 31, 2023 and March 31, 2022, respectively	9,482	9,482
Treasury shares, 6,280,205 and 6,878,299 at March 31, 2023 and March 31, 2022, respectively	(1,884)	(2,063)
Capital in excess of stated value	52,978	49,963
Retained earnings	52,764	40,018
Accumulated other comprehensive loss	(4,030)	(56)
Total shareholders' equity	109,310	97,344
Total liabilities and shareholders' equity	243,036	214,162
Series A Convertible Preferred Stock [Member]
Other non-current liabilities:
Series A convertible preferred stock, no par value	$ 35,459	$ 35,459