CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jul. 31, 2023	Jan. 31, 2023
CURRENT ASSETS
Cash and cash equivalents	$ 204,799	$ 173,947
Investments	141,616	151,511
Accounts receivable, net	44,532	50,132
Contract assets	20,747	24,778
Other current assets	43,438	38,334
TOTAL CURRENT ASSETS	455,132	438,702
Property, plant and equipment, net	10,457	10,430
Goodwill	28,033	28,033
Intangible assets, net	2,413	2,609
Deferred taxes, net	3,910	3,689
Right-of-use and other assets	5,763	6,024
TOTAL ASSETS	505,708	489,487
CURRENT LIABILITIES
Accounts payable	31,530	56,375
Accrued expenses	67,620	49,867
Contract liabilities	116,456	96,261
TOTAL CURRENT LIABILITIES	215,606	202,503
Noncurrent liabilities	5,066	6,087
TOTAL LIABILITIES	220,672	208,590
COMMITMENTS AND CONTINGENCIES (see Notes 7 and 8)
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;13,353,653 and 13,441,590 shares outstanding at July 31, 2023 and January 31, 2023, respectively	2,374	2,374
Additional paid-in capital	162,323	162,208
Retained earnings	216,009	207,832
Less treasury stock, at cost - 2,474,636 and 2,386,699 shares at July 31, 2023 and January 31, 2023, respectively	(92,329)	(88,641)
Accumulated other comprehensive loss	(3,341)	(2,876)
TOTAL STOCKHOLDERS' EQUITY	285,036	280,897
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 505,708	$ 489,487