CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Oct. 31, 2022	Jan. 31, 2022
CURRENT ASSETS
Cash and cash equivalents	$ 136,065	$ 350,472
Short-term investments	150,566	90,026
Accounts receivable, net	37,899	26,978
Contract assets	11,551	4,904
Other current assets	28,884	34,904
TOTAL CURRENT ASSETS	364,965	507,284
Property, plant and equipment, net	10,504	10,460
Goodwill	28,033	28,033
Other purchased intangible assets, net	2,730	3,322
Right-of-use, deferred tax and other assets	4,671	4,486
TOTAL ASSETS	410,903	553,585
CURRENT LIABILITIES
Accounts payable	45,268	41,822
Accrued expenses	40,243	53,315
Contract liabilities	49,031	127,890
TOTAL CURRENT LIABILITIES	134,542	223,027
Noncurrent liabilities	4,621	4,963
TOTAL LIABILITIES	139,163	227,990
COMMITMENTS AND CONTINGENCIES
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; 15,827,772 and 15,788,673 shares issued at October 31, 2022 and January 31, 2022, respectively; 13,575,772 and 15,257,688 shares outstanding at October 31, 2022 and January 31, 2022, respectively	2,374	2,368
Additional paid-in capital	161,305	158,190
Retained earnings	197,567	188,690
Less treasury stock, at cost - 2,252,000 and 530,985 shares at October 31, 2022 and January 31, 2022, respectively	(83,657)	(20,405)
Accumulated other comprehensive loss	(5,052)	(2,451)
TOTAL STOCKHOLDERS' EQUITY	272,537	326,392
Non-controlling interest	(797)	(797)
TOTAL EQUITY	271,740	325,595
TOTAL LIABILITIES AND EQUITY	$ 410,903	$ 553,585