CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jul. 31, 2018	Jan. 31, 2018
CURRENT ASSETS
Cash and cash equivalents	$ 165,766	$ 122,107
Short-term investments	195,976	311,908
Accounts receivable, net	46,137	24,756
Contract assets	34,792	13,847
Prepaid expenses and other current assets	10,542	12,410
TOTAL CURRENT ASSETS	453,213	485,028
Property, plant and equipment, net	18,882	15,299
Goodwill	34,329	34,329
Other purchased intangible assets, net	6,643	7,149
Deferred taxes	342	439
Other assets	394	426
TOTAL ASSETS	513,803	542,670
CURRENT LIABILITIES
Accounts payable	84,239	100,238
Accrued expenses	31,218	35,360
Contract liabilities	24,385	47,613
TOTAL CURRENT LIABILITIES	139,842	183,211
Deferred taxes	2,146	1,293
TOTAL LIABILITIES	141,988	184,504
COMMITMENTS AND CONTINGENCIES (Note 9)
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; 15,571,952 and 15,570,952 shares issued at July 31 and January 31, 2018, respectively; 15,568,719 and 15,567,719 shares outstanding at July 31 and January 31, 2018, respectively	2,336	2,336
Additional paid-in capital	144,135	143,215
Retained earnings	225,174	211,150
Accumulated other comprehensive income	150	1,422
TOTAL STOCKHOLDERS' EQUITY	371,795	358,123
Non-controlling interests	20	43
TOTAL EQUITY	371,815	358,166
TOTAL LIABILITIES AND EQUITY	$ 513,803	$ 542,670

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.