CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jul. 31, 2022	Jan. 31, 2022
CURRENT ASSETS
Cash and cash equivalents	$ 143,344	$ 350,472
Short-term investments	175,643	90,026
Accounts receivable, net	24,888	26,978
Contract assets	8,678	4,904
Other current assets	25,640	34,904
TOTAL CURRENT ASSETS	378,193	507,284
Property, plant and equipment, net	9,507	10,460
Goodwill	28,033	28,033
Other purchased intangible assets, net	2,941	3,322
Right-of-use, deferred tax and other assets	4,396	4,486
TOTAL ASSETS	423,070	553,585
CURRENT LIABILITIES
Accounts payable	38,180	41,822
Accrued expenses	39,816	53,315
Contract liabilities	64,016	127,890
TOTAL CURRENT LIABILITIES	142,012	223,027
Noncurrent liabilities	4,022	4,963
TOTAL LIABILITIES	146,034	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 July 31, 2022 and January 31, 2022, respectively; 13,884,195 and 15,257,688 shares outstanding at July 31, 2022 and January 31, 2022, respectively	2,374	2,368
Additional paid-in capital	160,229	158,190
Retained earnings	193,205	188,690
Less treasury stock, at cost - 1,943,577 and 530,985 shares at July 31, 2022 and January 31, 2022, respectively	(73,573)	(20,405)
Accumulated other comprehensive loss	(4,402)	(2,451)
TOTAL STOCKHOLDERS' EQUITY	277,833	326,392
Non-controlling interest	(797)	(797)
TOTAL EQUITY	277,036	325,595
TOTAL LIABILITIES AND EQUITY	$ 423,070	$ 553,585