CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 31, 2023	Jan. 31, 2023
CURRENT ASSETS
Cash and cash equivalents	$ 185,569	$ 173,947
Investments	211,946	151,511
Accounts receivable, net	49,922	50,132
Contract assets	25,391	24,778
Other current assets	41,243	38,334
TOTAL CURRENT ASSETS	514,071	438,702
Property, plant and equipment, net	10,786	10,430
Goodwill	28,033	28,033
Intangible assets, net	2,315	2,609
Deferred taxes, net	3,132	3,689
Right-of-use and other assets	5,315	6,024
TOTAL ASSETS	563,652	489,487
CURRENT LIABILITIES
Accounts payable	34,532	56,375
Accrued expenses	83,193	49,867
Contract liabilities	156,169	96,261
TOTAL CURRENT LIABILITIES	273,894	202,503
Noncurrent liabilities	4,925	6,087
TOTAL LIABILITIES	278,819	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; 13,332,747 and 13,441,590 shares outstanding at October 31, 2023 and January 31, 2023, respectively	2,374	2,374
Additional paid-in capital	163,154	162,208
Retained earnings	217,486	207,832
Less treasury stock, at cost - 2,495,542 and 2,386,699 shares at October 31, 2023 and January 31, 2023, respectively	(93,531)	(88,641)
Accumulated other comprehensive loss	(4,650)	(2,876)
TOTAL STOCKHOLDERS' EQUITY	284,833	280,897
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 563,652	$ 489,487