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Condensed Consolidated Statements of Cash Flows (USD $) | 9 Months Ended
--- | ---
Oct. 31, 2014 | Oct. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 33,580,000 | $ 33,312,000
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Stock option compensation expense | 1,489,000 | 1,152,000
Depreciation | 423,000 | 407,000
Amortization of purchased intangibles | 182,000 | 182,000
Deferred income tax (benefit) expense | (336,000) | 1,482,000
Gains on the deconsolidation of variable interest entities |  | (2,444,000)
Changes in operating assets and liabilities |  |
Accounts receivable, net | 546,000 | 4,372,000
Costs and estimated earnings in excess of billings | 213,000 | 973,000
Prepaid expenses and other assets | (308,000) | (1,110,000)
Accounts payable and accrued expenses | 30,172,000 | (12,124,000)
Billings in excess of costs and estimated earnings | 21,423,000 | 1,856,000
Net cash provided by operating activities | 87,384,000 | 28,058,000
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Purchases of property, plant and equipment | (1,842,000) | (925,000)
Net cash used in investing activities | (1,842,000) | (925,000)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Net proceeds from the exercise of stock options | 3,884,000 | 2,506,000
Increase in notes receivable from project development entities | (614,000) | (2,326,000)
Payments received on loans made to Moxie Liberty |  | 4,294,000
Deconsolidation of the cash of variable interest entities |  | (399,000)
Net cash provided by financing activities | 3,270,000 | 4,075,000
NET INCREASE IN CASH AND CASH EQUIVALENTS | 88,812,000 | 31,208,000
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD | 272,209,000 | 175,142,000
CASH AND CASH EQUIVALENTS, END OF PERIOD | 361,021,000 | 206,350,000
SUPPLEMENTAL CASH FLOW INFORMATION |  |
Cash paid for income taxes | $ 11,022,000 | $ 18,294,000

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