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SIGNIFICANT ACCOUNTING POLICIES AND RECENT ACCOUNITNG PRONOUNCEMENTS | 6 Months Ended
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Jun. 30, 2017
Accounting Policies and Recent Accounting Pronouncements [Abstract] |
Significant accounting policies and recent accounting pronouncements | SIGNIFICANT ACCOUNTING POLICIES AND RECENT ACCOUNTING PRONOUNCEMENTS: Significant Accounting Policies and Estimates Except for the changes below, no material changes have been made to the Company's significant accounting policies disclosed in Note 2, Summary of Significant Accounting Policies, in its Annual Report on Form 10-K, filed on February 8, 2017, for the year ended December 31, 2016. The accounting policy information below is to aid in the understanding of the financial information disclosed. The Company adopted Accounting Standards Codification 606, Revenue from Contracts with Customers (ASC 606-10), effective on January 1, 2017. Prior to the adoption of ASC 606-10, the Company deferred the recognition of revenue and the cost of revenue from certain sales until the distributors reported that they had sold the products to their customers (known as “sell-through” revenue recognition). Under ASC 606-10, the Company recognizes revenue on sales to all distributors upon shipment and transfer of control (known as “sell-in” revenue recognition). As a result of this adoption, the Company revised its accounting policy for revenue recognition as detailed below. Revenue Recognition The Company applies the provisions of Accounting Standards Codification (ASC) 606-10, Revenue from Contracts with Customers, and all related appropriate guidance. The Company recognizes revenue under the core principle to depict the transfer of control to the Company’s customers in an amount reflecting the consideration the Company expects to be entitled. In order to achieve that core principle, the Company applies the following five step approach: (1) identify the contract with a customer, (2) identify the performance obligations in the contract, (3) determine the transaction price, (4) allocate the transaction price to the performance obligations in the contract, and (5) recognize revenue when a performance obligation is satisfied. Product revenues consist of sales to original equipment manufacturers, or OEMs, merchant power supply manufacturers and distributors. The Company considers customer purchase orders, which in some cases are governed by master sales agreements, to be the contracts with a customer. In situations where sales are to a distributor, the Company has concluded that its contracts are with the distributor as the Company holds a contract bearing enforceable rights and obligations only with the distributor. As part of its consideration of the contract, the Company evaluates certain factors including the customer’s ability to pay (or credit risk). For each contract, the Company considers the promise to transfer products, each of which is distinct, to be the identified performance obligations. In determining the transaction price the Company evaluates whether the price is subject to refund or adjustment to determine the net consideration to which the Company expects to be entitled. As the Company’s standard payment terms are less than one year, the Company has elected the practical expedient under ASC 606-10-32-18 to not assess whether a contract has a significant financing component. The Company allocates the transaction price to each distinct product based on their relative standalone selling price. The product price as specified on the purchase order is considered the standalone selling price as it is an observable input which depicts the price as if sold to a similar customer in similar circumstances. Revenue is recognized when control of the product is transferred to the customer (i.e., when the Company’s performance obligation is satisfied), which typically occurs at shipment. Further, in determining whether control has transferred, the Company considers if there is a present right to payment and legal title, along with risks and rewards of ownership having transferred to the customer. Frequently, the Company receives orders for products to be delivered over multiple dates that may extend across several reporting periods. The Company invoices for each delivery upon shipment and recognizes revenues for each distinct product delivered, assuming transfer of control has occurred. As scheduled delivery dates are within one year, under the optional exemption provided by ASC 606-10-50-14 revenues allocated to future shipments of partially completed contracts are not disclosed. Sales to international customers that are shipped from the Company’s facility outside of the United States are pursuant to EX Works, or EXW, shipping terms, meaning that control of the product transfers to the customer upon shipment from the Company’s foreign warehouse. Sales to international customers that are shipped from the Company’s facility in California are pursuant to Delivered at Frontier, or DAF, shipping terms. As such, control of the product passes to the customer when the shipment reaches the destination country and revenue is recognized upon the arrival of the product in that country. Shipments to customers in the Americas are pursuant to Free on Board, or FOB, point of origin shipping terms meaning that control is passed to the customer upon shipment. Sales to most distributors are made under terms allowing certain price adjustments and limited rights of return (known as “stock rotation”) of the Company’s products held in their inventory or upon sale to their end customers. Revenue from sales to distributors is recognized upon the transfer of control to the distributor. Frequently, distributors need to sell at a price lower than the standard distribution price in order to win business. At the time the distributor invoices its customer or soon thereafter, the distributor submits a “ship and debit” price adjustment claim to the Company to adjust the distributor’s cost from the standard price to the pre-approved lower price. After the Company verifies that the claim was pre-approved, a credit memo is issued to the distributor for the ship and debit claim. In determining the transaction price, the Company considers ship and debit price adjustments to be variable consideration. Such price adjustments are estimated using the expected value method based on an analysis of actual ship and debit claims, at the distributor and product level, over a period of time considered adequate to account for current pricing and business trends. Historically, actual price adjustments for ship and debit claims relative to those estimated and included when determining the transaction price have not materially differed. Stock rotation rights grant the distributor the ability to return certain specified amounts of inventory. Stock rotation adjustments are an additional form of variable consideration and are also estimated using the expected value method based on historical return rates. Historically, distributor stock rotation adjustments have not been material. Sales to certain distributors are made under terms that do not include rights of return or price concessions after the product is shipped to the distributor. Accordingly, upon application of steps one through five above, product revenue is recognized upon shipment and transfer of control. The Company generally provides an assurance warranty that its products will substantially conform to the published specifications for twelve months from the date of shipment. The Company’s liability is limited to either a credit equal to the purchase price or replacement of the defective part. Returns under warranty have historically been immaterial. As such, the Company does not record a specific warranty reserve or consider activities related to such warranty, if any, to be a separate performance obligation. Adoption of New Accounting Standards In May 2014, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2014-09, Revenue from Contracts with Customers, amending the existing accounting standards for revenue recognition. The Company elected to early adopt these standards, effective on January 1, 2017, using the full retrospective method, under which the amendments were applied to all prior periods presented. Under the new standards the Company recognizes all revenue on sales to distributors upon shipment and transfer of control (known as “sell-in” revenue recognition), rather than deferring recognition on sales to certain distributors until the distributors report that they have sold the products to their customers (known as “sell-through” revenue recognition). The impact of adoption on the Company's previously reported condensed consolidated financial statements were as follows:
Condensed Consolidated Balance Sheet: | December 31, 2016
(In thousands) | As Reported |  | Impact of Adoption |  | As Adjusted
Accounts receivable, net | $ | 6,961 |  |  | $ | (433 | ) |  | $ | 6,528 |
Prepaid expenses and other current assets | 8,520 |  |  | 195 |  |  | 8,715 |
Deferred tax assets | 12,032 |  |  | (690 | ) |  | 11,342 |
Deferred income on sales to distributors | 16,207 |  |  | (16,207 | ) |  | — |
Other accrued liabilities | 2,434 |  |  | 300 |  |  | 2,734 |
Retained earnings | $ | 317,912 |  |  | $ | 14,979 |  |  | $ | 332,891 |
| Three Months Ended |  | Six Months Ended
Condensed Consolidated Statements of Income: | June 30, 2016 |  | June 30, 2016
(In thousands, except per share) | As Reported |  | Impact of Adoption |  | As Adjusted |  | As Reported |  | Impact of Adoption |  | As Adjusted
Net revenues | $ | 97,169 |  |  | $ | 402 |  |  | $ | 97,571 |  |  | $ | 182,495 |  |  | $ | 3,112 |  |  | $ | 185,607 |
Cost of revenues | 49,532 |  |  | 254 |  |  | 49,786 |  |  | 91,911 |  |  | 1,423 |  |  | 93,334 |
Provision for income taxes | 598 |  |  | 6 |  |  | 604 |  |  | 928 |  |  | 11 |  |  | 939 |
Net income | $ | 11,265 |  |  | $ | 142 |  |  | $ | 11,407 |  |  | $ | 20,108 |  |  | $ | 1,678 |  |  | $ | 21,786 |
Earnings per share |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 0.39 |  |  | $ | 0.01 |  |  | $ | 0.40 |  |  | $ | 0.70 |  |  | $ | 0.06 |  |  | $ | 0.76 |
Diluted | $ | 0.38 |  |  | $ | 0.01 |  |  | $ | 0.39 |  |  | $ | 0.68 |  |  | $ | 0.06 |  |  | $ | 0.74 |
| Six Months Ended
Condensed Consolidated Statement of Cash Flows: | June 30, 2016
(In thousands) | As Reported |  | Impact of Adoption |  | As Adjusted
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |  |  |
Net income | $ | 20,108 |  |  | $ | 1,678 |  |  | $ | 21,786 |
Deferred income taxes | 214 |  |  | 11 |  |  | 225 |
Accounts receivable | (6,385 | ) |  | 133 |  |  | (6,252 | )
Prepaid expenses and other assets | (639 | ) |  | (35 | ) |  | (674 | )
Deferred income on sales to distributors | $ | 1,787 |  |  | $ | (1,787 | ) |  | $ | — |
In March 2016, the FASB amended the existing accounting standards for stock-based compensation, ASU 2016-09, Compensation-Stock Compensation (Topic 718): Improvements to Employee Share-Based Payment Accounting (ASU 2016-09). The amendments impact several aspects of accounting for share-based payment transactions, including the income tax consequences, forfeitures, classification of awards as either equity or liabilities, and classification on the statement of cash flows. The manner of application varies by the various provisions of the guidance, with certain provisions applied on a retrospective or modified retrospective approach, while others are applied prospectively. The Company adopted the new standards in the first quarter of 2017, effective on January 1, 2017. Upon adoption, the Company recognized a windfall tax benefit of $7.5 million, as a cumulative effect adjustment to opening retained earnings, together with a corresponding increase in deferred tax assets. Recent Accounting Pronouncements In February 2016, the FASB amended the existing accounting standards for leases, ASU 2016-02, Leases. The amendments require lessees to recognize, on the balance sheet, assets and liabilities for the rights and obligations created by leases of greater than twelve months. The accounting by lessors will remain largely unchanged from that applied under previous U.S. GAAP. The Company is required to adopt the amendments in the first quarter of fiscal 2019, with early adoption permitted. The amendments require a modified retrospective transition approach to recognize and measure leases at the beginning of the earliest period presented. The Company is currently evaluating the impact of these amendments on its condensed consolidated financial statements.

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