Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Mar. 31, 2022
Current assets:
Cash and cash equivalents	$ 105,818	$ 96,971
Accounts receivable, net of allowance for expected credit lossesof $655 and $318, respectively	31,953	25,175
Contract assets	2,531	1,669
Inventories	10,349	6,940
Prepaid expenses and other current assets	8,432	5,418
Total current assets	159,083	136,173
Property and equipment, net	9,696	6,345
Operating lease right-of-use assets	14,823	9,889
Goodwill	33,569	32,759
Intangible assets, net	19,165	20,178
Deferred income taxes, non-current	2,380	2,664
Other non-current assets	7,445	6,154
Total assets	246,161	214,162
Accrued liabilities:
Accounts payable	9,752	9,766
Contract liabilities	55,915	46,095
Accrued liabilities	11,728	10,552
Operating lease liabilities, current	3,734	5,049
Finance lease obligations, current	3	4
Total current liabilities	81,132	71,466
Deferred income taxes, non-current	1,679	938
Operating lease liabilities, non-current	12,509	5,649
Finance lease obligations, non-current	0	2
Other non-current liabilities	3,929	3,304
Commitments and contingencies
Shareholders' equity:
Common shares, without par value, at $0.30 stated value; 80,000,000 shares authorized; 31,606,831 shares issued; and 25,184,727and 24,728,532 shares outstanding at December 31, 2022 and March 31, 2022, respectively	9,482	9,482
Treasury shares, 6,422,104 and 6,878,299 at December 31, 2022 and March 31, 2022, respectively	(1,926)	(2,063)
Capital in excess of stated value	56,166	49,963
Retained earnings	49,148	40,018
Accumulated other comprehensive loss	(958)	(56)
Total shareholders' equity	111,912	97,344
Total liabilities and shareholders' equity	246,161	214,162
Series A Convertible Preferred Stock [Member]
Other non-current liabilities:
Series A convertible preferred stock, no par value	$ 35,000	$ 35,459