CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jan. 31, 2022	Jan. 31, 2021
CURRENT ASSETS
Cash and cash equivalents	$ 350,472	$ 366,671
Short-term investments	90,026	90,055
Accounts receivable, net	26,978	28,713
Contract assets	4,904	26,635
Other current assets	34,904	34,146
TOTAL CURRENT ASSETS	507,284	546,220
Property, plant and equipment, net	10,460	20,361
Goodwill	28,033	27,943
Other purchased intangible assets, net	3,322	4,097
Deferred taxes, net	457	249
Right-of-use and other assets	4,029	3,760
TOTAL ASSETS	553,585	602,630
CURRENT LIABILITIES
Accounts payable	41,822	53,295
Accrued expenses	53,315	50,750
Contract liabilities	127,890	172,042
TOTAL CURRENT LIABILITIES	223,027	276,087
Other noncurrent liabilities	4,963	4,135
TOTAL LIABILITIES	227,990	280,222
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; 15,788,673 and 15,706,202 shares issued at January 31, 2022 and 2021, respectively; 15,257,688 and 15,702,969 shares outstanding at January 31, 2022 and 2021, respectively	2,368	2,356
Additional paid-in capital	158,190	153,315
Retained earnings	188,690	166,110
Less treasury stock, at cost - 530,985 and 3,233 shares at January 31, 2022 and 2021, respectively	(20,405)	(33)
Accumulated other comprehensive loss	(2,451)	(1,081)
TOTAL STOCKHOLDERS' EQUITY	326,392	320,667
Non-controlling interests	(797)	1,741
TOTAL EQUITY	325,595	322,408
TOTAL LIABILITIES AND EQUITY	$ 553,585	$ 602,630