CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jan. 31, 2024	Jan. 31, 2023
CURRENT ASSETS
Cash and cash equivalents	$ 197,032	$ 173,947
Investments	215,373	151,511
Accounts receivable, net	47,326	50,132
Contract assets	48,189	24,778
Other current assets	39,259	38,334
TOTAL CURRENT ASSETS	547,179	438,702
Property, plant and equipment, net	11,021	10,430
Goodwill	28,033	28,033
Intangible assets, net	2,217	2,609
Deferred taxes, net	2,259	3,689
Right-of-use and other assets	7,520	6,024
TOTAL ASSETS	598,229	489,487
CURRENT LIABILITIES
Accounts payable	39,485	56,375
Accrued expenses	81,721	49,867
Contract liabilities	181,054	96,261
TOTAL CURRENT LIABILITIES	302,260	202,503
Noncurrent liabilities	5,030	6,087
TOTAL LIABILITIES	307,290	208,590
COMMITMENTS AND CONTINGENCIES (see Notes 9 and 10)
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; 13,242,520 and 13,441,590 shares outstanding at January 31, 2024 and 2023, respectively	2,374	2,374
Additional paid-in capital	164,183	162,208
Retained earnings	225,507	207,832
Less treasury stock, at cost - 2,585,769 and 2,386,699 shares at January 31, 2024 and 2023, respectively	(97,528)	(88,641)
Accumulated other comprehensive loss	(3,597)	(2,876)
TOTAL STOCKHOLDERS' EQUITY	290,939	280,897
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 598,229	$ 489,487