CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2024	Jan. 31, 2024
CURRENT ASSETS
Cash and cash equivalents	$ 207,738	$ 197,032
Investments	208,618	215,373
Accounts receivable, net	59,960	47,326
Contract assets	54,385	48,189
Other current assets	43,625	39,259
TOTAL CURRENT ASSETS	574,326	547,179
Property, plant and equipment, net	10,825	11,021
Goodwill	28,033	28,033
Intangible assets, net	2,120	2,217
Deferred taxes, net	2,305	2,259
Right-of-use and other assets	6,799	7,520
TOTAL ASSETS	624,408	598,229
CURRENT LIABILITIES
Accounts payable	66,448	39,485
Accrued expenses	60,721	81,721
Contract liabilities	200,429	181,054
TOTAL CURRENT LIABILITIES	327,598	302,260
Noncurrent liabilities	3,655	5,030
TOTAL LIABILITIES	331,253	307,290
COMMITMENTS AND CONTINGENCIES (see Notes 8 and 9)
STOCKHOLDERS' EQUITY
Preferred stock, par value $0.10 per share - 500,000 shares authorized; no shares issued and outstanding
Common stock, par value $0.15 per share - 30,000,000 shares authorized; 15,828,289 shares issued; 13,350,180 and 13,242,520 shares outstanding at April 30, 2024 and January 31, 2024, respectively	2,374	2,374
Additional paid-in capital	164,501	164,183
Retained earnings	229,364	225,507
Less treasury stock, at cost - 2,478,109 and 2,585,769 shares at April 30, 2024 and January 31, 2024, respectively	(97,728)	(97,528)
Accumulated other comprehensive loss	(5,356)	(3,597)
TOTAL STOCKHOLDERS' EQUITY	293,155	290,939
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 624,408	$ 598,229