INPHI 10-Q 8 Aug 17 2017 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2017	Aug. 03, 2017
Document Information [Line Items]
Entity Registrant Name	INPHI CORP
Entity Central Index Key	1,160,958
Trading Symbol	iphi
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Common Stock, Shares Outstanding (in shares)		42,283,512
Document Type	10-Q
Document Period End Date	Jun. 30, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q2
Amendment Flag	false

Unaudited Condensed Consolidate

Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 162,290	$ 144,867
Investments in marketable securities	218,636	249,476
Accounts receivable, net	63,253	49,999
Inventories	34,456	32,039
Prepaid expenses and other current assets	24,076	23,139
Total current assets	502,711	499,520
Property and equipment, net	55,356	44,471
Goodwill	104,441	105,077
Identifiable intangible assets, net	300,588	327,063
Deferred tax charge		1,384
Other assets, net	11,868	13,080
Total assets	974,964	990,595
Current liabilities:
Accounts payable	21,014	14,039
Deferred revenue	5,776	3,630
Accrued employee expenses	13,528	16,588
Other accrued expenses	7,259	7,277
Other current liabilities	22,234	24,736
Total current liabilities	69,811	66,270
Convertible debt	408,825	396,857
Other long-term liabilities	55,678	64,944
Total liabilities	534,314	528,071
Commitments and contingencies (Note 16)
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued
Common stock, $0.001 par value; 500,000,000 shares authorized; 42,268,003 and 41,303,353 issued and outstanding at June 30, 2017 and December 31, 2016, respectively	42	41
Additional paid-in capital	465,286	459,928
Retained earnings (accumulated deficit)	(25,481)	1,976
Accumulated other comprehensive income	803	579
Total stockholders’ equity	440,650	462,524
Total liabilities and stockholders’ equity	$ 974,964	$ 990,595

Unaudited Condensed Consolidat3

Unaudited Condensed Consolidated Balance Sheets (Parentheticals) - $ / shares	Jun. 30, 2017	Dec. 31, 2016
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized (in shares)	10,000,000	10,000,000
Preferred stock, issued m (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	500,000,000	500,000,000
Common stock, issued (in shares)	42,268,003	41,303,353
Common stock, outstanding (in shares)	42,268,003	41,303,353

Unaudited Condensed Consolidat4

Unaudited Condensed Consolidated Statements of Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue	$ 84,423	$ 60,524	$ 178,007	$ 114,615
Cost of revenue	36,588	19,275	76,659	36,396
Gross profit	47,835	41,249	101,348	78,219
Operating expenses:
Research and development	39,437	27,321	79,725	51,308
Sales and marketing	10,539	5,809	21,480	11,594
General and administrative	5,798	4,120	12,593	9,077
Total operating expenses	55,774	37,250	113,798	71,979
Income (loss) from operations	(7,939)	3,999	(12,450)	6,240
Interest expense	(7,377)	(3,171)	(14,542)	(6,303)
Other income, net	720	418	1,575	887
Income (loss) before income taxes from continuing operations	(14,596)	1,246	(25,417)	824
Provision (benefit) for income taxes	371	303	823	(29)
Net income (loss) from continuing operations	(14,967)	943	(26,240)	853
Discontinued operations:
Loss from discontinued operations		(566)		(85)
Provision (benefit) for income taxes		(154)		17
Net loss from discontinued operations		(412)		(102)
Net income (loss)	$ (14,967)	$ 531	$ (26,240)	$ 751
Basic
Net income (loss) from continuing operations (in dollars per share)	$ (0.36)	$ 0.02	$ (0.63)	$ 0.02
Net loss from discontinued operations (in dollars per share)		(0.01)
Basic earnings per share (in dollars per share)	(0.36)	0.01	(0.63)	0.02
Diluted
Net income (loss) from continuing operations (in dollars per share)	(0.36)	0.02	(0.63)	0.02
Net loss from discontinued operations (in dollars per share)		(0.01)
Diluted earnings per share (in dollars per share)	$ (0.36)	$ 0.01	$ (0.63)	$ 0.02
Weighted-average shares used in computing earnings per share:
Basic (in shares)	42,137,084	40,412,319	41,855,510	40,085,260
Diluted (in shares)	42,137,084	43,838,488	41,855,510	43,680,317

Unaudited Condensed Consolidat5

Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net income (loss)	$ (14,967)	$ 531	$ (26,240)	$ 751
Other comprehensive income (loss):
Change in unrealized gain, net of tax	(2)	87	224	313
Realized gain reclassified into earnings, net of tax		(5)		(5)
Comprehensive income (loss)	$ (14,969)	$ 613	$ (26,016)	$ 1,059

Unaudited Condensed Consolidat6

Unaudited Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities
Net income (loss)	$ (26,240,000)	$ 751,000
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	38,807,000	14,952,000
Stock-based compensation	20,475,000	14,732,000
Deferred income taxes and deferred tax charge	18,000	59,000
Accretion of convertible debt and amortization of debt issuance costs	11,968,000	5,027,000
Amortization of premium on marketable securities	724,000	675,000
Other noncash items	(52,000)	(6,000)
Changes in assets and liabilities:
Accounts receivable	(12,714,000)	(8,617,000)
Inventories	(2,417,000)	348,000
Prepaid expenses and other assets	402,000	(991,000)
Income tax payable/receivable	468,000	(40,000)
Accounts payable	4,450,000	1,512,000
Accrued expenses	(3,674,000)	(2,512,000)
Deferred revenue	2,146,000	(780,000)
Other liabilities	(4,727,000)	(410,000)
Net cash provided by operating activities	29,634,000	24,700,000
Cash flows from investing activities
Purchases of property and equipment	(18,309,000)	(11,755,000)
Purchases of marketable securities	(105,439,000)	(171,704,000)
Sales of marketable securities	35,270,000	1,785,000
Maturities of marketable securities	102,230,000	31,715,000
Payment of debt related to purchase of intangible assets	(9,544,000)
Remaining payment related to acquisition of business	(1,800,000)
Purchase of cost- method investment in private company		(2,000,000)
Other investing activity	100,000
Net cash provided by (used in) investing activities	2,508,000	(151,959,000)
Cash flows from financing activities
Proceeds from exercise of stock options	1,485,000	2,607,000
Proceeds from employee stock purchase plan	2,814,000	3,150,000
Payment of capital lease obligations	(421,000)
Repayment of long-term loan	180,000
Convertible bonds issuance costs paid		(353,000)
Minimum tax withholding paid on behalf of employees for restricted stock units	(18,777,000)	(13,550,000)
Long-term loan		(725,000)
Net cash used in financing activities	(14,719,000)	(8,871,000)
Net increase (decrease) in cash and cash equivalents	17,423,000	(136,130,000)
Cash and cash equivalents at beginning of period	144,867,000	283,044,000
Cash and cash equivalents at end of period	162,290,000	146,914,000
Supplemental cash flow information:
Income taxes paid	332,000	183,000
Interest paid	2,300,000	1,243,000
Intangible assets financed with debt	$ 2,433,000

Note 1 - Organization and Basis

Note 1 - Organization and Basis of Presentation	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	1. Inphi Corporation (the “Company”), a Delaware corporation, was incorporated in November 2000. On August 4, 2016, $90,000. On December 12, 2016, $303,661 December 12, 2016. The interim unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“GAAP”), for interim financial information and with the instructions to Securities and Exchange Commission (“SEC”), Form 10 10 X. not December 31, 2016, 10 March 1, 2017. The interim condensed consolidated financial statements included herein are unaudited; however, they contain all normal recurring accruals and adjustments that, in the opinion of management, are necessary to state fairly the Company’s consolidated financial position at June 30, 2017, three six June 30, 2017 2016 six June 30, 2017 2016. three six June 30, 2017 not

Note 2 - Recent Accounting Pron

Note 2 - Recent Accounting Pronouncements	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]	2. In May 2014, five January 1, 2017. July 2015, one may January 1, 2017, March 2016, April 2016, In July 2015, January 1, 2017. not In January 2016, may not first 2018. In February 2016, 12 January 1, 2019. In March 2016, no January 1, 2017. not In August 2016, 2018, In October 2016, 2018, 11 In January 2017, 2018. not In January 2017, 2 2 December 15, 2019, In May 2017, . Under the guidance, modification accounting is required only if the fair value, the vesting conditions, or the classification of the award changes as a result of the change in terms or condition. The guidance will be effective for calendar year-end beginning after December 15, 2017

Note 3 - Discontinued Operation

Note 3 - Discontinued Operations	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	3. As discussed in Note 1, August 4, 2016, The results of discontinued operations for the three six June 30, 2016 Three Months Ended June 30, 2016 Six Months Ended June 30, 2016 Revenue $ 9,766 $ 22,206 Cost of revenue (5,053 ) (12,204 ) Operating expenses (5,279 ) (10,263 ) Other income — 176 Benefit (provision) for income taxes 154 (17 ) Net loss from discontinued operations $ (412 ) $ (102 ) The results of discontinued operations for the three six June 30, 2016 Three Months Ended June 30, 2016 Six Months Ended June 30, 2016 Depreciation and amortization $ 459 $ 958 Stock-based compensation expense 1,056 2,010 Property and equipment expenditures 794 2,198

Note 4 - Investments

Note 4 - Investments	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Investment [Text Block]	4. The following table summarizes the investments by investment category: June 30 , 201 7 December 31, 201 6 Cost Fair Value Cost Fair Value Available-for-sale securities: U.S. treasury securities $ 1,000 $ 999 $ 3,999 $ 4,000 Municipal bonds 46,617 46,611 45,289 45,171 Corporate notes/bonds 104,398 104,392 112,330 112,205 Variable rate demand notes 37,665 37,665 58,930 58,930 Commercial paper 23,506 23,506 23,945 23,947 Asset backed securities 5,464 5,463 5,221 5,223 Total investments $ 218,650 $ 218,636 $ 249,714 $ 249,476 As of June 30, 2017, 67 June 30, 2017 $115 The contractual maturities of available-for-sale securities at June 30, 2017 Cost Fair Value Due in one year or less $ 126,307 $ 126,271 Due between one and five years 54,678 54,700 Due after five years 37,665 37,665 $ 218,650 $ 218,636

Note 5 - Inventories

Note 5 - Inventories	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Inventory Disclosure [Text Block]	5. Inventories consist of the following: June 30, 2017 December 31, 2016 Raw materials $ 13,616 $ 1,648 Work in process 17,172 15,999 Finished goods 3,668 14,392 $ 34,456 $ 32,039 Finished goods include $866 $805 June 30, 2017 December 31, 2016,

Note 6 - Property and Equipment

Note 6 - Property and Equipment, Net	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	6. Property and equipment consist of the following: June 30, 2017 December 31, 2016 Laboratory and production equipment $ 81,064 $ 64,402 Office, software and computer equipment 27,375 25,248 Furniture and fixtures 1,546 1,396 Leasehold improvements 7,269 6,707 117,254 97,753 Less accumulated depreciation (61,898 ) (53,282 ) $ 55,356 $ 44,471 Depreciation and amortization expense of property and equipment for the three six June 30, 2017 $5,028 $9,899, three six June 30, 2016 $4,086 $7,638, As of June 30, 2017 December 31, 2016, $6,930 $6,453, $262 $539 three six June 30, 2017, $299 $586 three six June 30, 2016, Property and equipment not June 30, 2017 December 31, 2016 $6,744 $4,221, The Company leases certain equipment under capital lease agreements. Assets held under capital leases are included in property and equipment above. Gross amount and accumulated depreciation of assets under capital lease as of June 30, 2017 $3,639 $466, December 31, 2016 $3,698 $36, Inphi Corporation Notes to Unaudited Condensed Consolidated Financial Statements (Dollars in thousands except share and per share amounts) The minimum lease payments under capital leases as of June 30, 2017 2017 (remaining) $ 474 2018 772 2019 590 2020 418 2021 126 Total minimum lease payments 2,380 Less: Amount representing interest 371 Minimum lease payments, net of interest $ 2,009

Note 7 - Identifiable Intangibl

Note 7 - Identifiable Intangible Assets	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	7 . Identifiable Intangible Assets The following table presents details of identifiable intangible assets: June 30, 2017 December 31, 2016 Gross Accumulated Amortization Net Gross Accumulated Amortization Net Developed technology $ 138,020 $ 41,078 $ 96,942 $ 138,020 $ 26,579 $ 111,441 Customer relationships 70,540 7,091 63,449 70,540 2,227 68,313 Trade name 2,310 657 1,653 2,310 426 1,884 Patents 1,579 645 934 1,579 552 1,027 Software 49,827 9,557 40,270 47,394 336 47,058 In-process research and development 97,340 — 97,340 97,340 — 97,340 $ 359,616 $ 59,028 $ 300,588 $ 357,183 $ 30,120 $ 327,063 During the three six June, 2017, $636 $636 $540 $96 The following table presents amortization of intangible assets for the three six June 30, 2017 2016: Three Months Ended June 30, Six Months Ended June 30, 2017 2016 2017 2016 Cost of goods sold $ 7,249 $ 2,875 $ 14,499 $ 5,750 Research and development 4,515 — 9,221 — Sales and marketing 2,432 204 4,864 408 General and administrative 163 99 324 198 $ 14,359 $ 3,178 $ 28,908 $ 6,356 Based on the amount of intangible assets subject to amortization at June 30, 2017, five 2017 (remaining) $ 28,993 2018 55,731 2019 51,318 2020 23,051 2021 19,873 Thereafter 24,282 $ 203,248 The weighted-average amortization periods remaining by intangible asset category are as follows (in years): Developed technology 3.8 Customer relationship 6.5 Trade name 3.9 Patents 10.3 Software 2.3

Note 8 - Product Warranty Oblig

Note 8 - Product Warranty Obligation	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Product Warranty Disclosure [Text Block]	8. As of June 30, 2017 December 31, 2016, $110 no three six June 30, 2017 2016.

Note 9 - Convertible Debt

Note 9 - Convertible Debt	6 Months Ended
	Jun. 30, 2017
Convertible Debt [Member]
Notes to Financial Statements
Debt Disclosure [Text Block]	9. In December 2015, $230,000 1.125% 2020 2015 2015 December 1, 2020, June 1 December 1 June 1, 2016. 24.8988 $1 2015, $40.16 three June 30, 2017 $3,360, $645 $2,490 $225 six June 30, 2017 $6,632, $1,285 $4,905 $442 three June 30, 2016 $3,171, $521 $2,432 $218 six June 30, 2016 $6,303, $1,276 $4,613 $414 In connection with the issuance of the Convertible Notes 2015, 2015 2015, 100% 2015, 2015 $52.06 In September 2016, $287,500 0.75% 2021 2016, 2015, 2016 September 1, 2021, 2016 March 1 September 1 March 1, 2017. 17.7508 $1 2016, $56.34 three June 30, 2017 $3,892, $533 $3,104 $255 six June 30, 2017 $7,686, $1,065 $6,120 $501 In connection with the issuance of the Convertible Notes 2016, 2016 2016, 100% 2016, 2016 $73.03

Note 10 - Other Liabilities

Note 10 - Other Liabilities	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Other Liabilities Disclosure [Text Block]	10. Other current liabilities consist of the following: June 30, 2017 December 31, 2016 Obligations under capital lease $ 718 $ 797 Intangible asset liability 16,978 14,688 Others 4,538 9,251 $ 22,234 $ 24,736 Other long-term liabilities consist of the following: June 30, 2017 December 31, 2016 Deferred rent $ 1,331 $ 1,067 Income tax payable 1,820 1,554 Obligations under capital lease 1,291 1,633 Intangible asset liability 23,250 32,651 Deferred tax liabilities 27,127 27,371 Others 859 668 $ 55,678 $ 64,944

Note 11 - Income Taxes

Note 11 - Income Taxes	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Income Tax Disclosure [Text Block]	11. The Company normally determines its interim provision using an estimated single annual effective tax rate for all tax jurisdictions. ASC 740 no three six June 30, 2017 not three six June 30, 2016, The Company recorded an income tax provision of $371 $823 three six June 30, 2017, three six June 30, 2017 3% 34% The Company recorded an income tax provision (benefit) from continuing operations of $303 $29 three six June 30, 2016, three six June 30, 2016 24% 4% 34% 2016 09. As discussed in Note 2, 2016 16, 2017. $1,217 During the three six June 30, 2017, $1,080 $3,057, June 30, 2017, twelve may $122 The Company does not

Note 12 - Earnings Per Share

Note 12 - Earnings Per Share	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Earnings Per Share [Text Block]	12. The following shows the reconciliation of weighted average shares used in the calculation of basic and diluted earnings per share: Three Months Ended June 30, Six Months Ended June 30, 201 7 201 6 201 7 201 6 Weighted-average common stock—basic 42,137,084 40,412,319 41,855,510 40,085,260 Effect of potentially dilutive securities: Add options to purchase common stock — 1,324,796 — 1,327,237 Add unvested restricted stock unit — 2,101,373 — 2,234,865 Add employee stock purchase plan — — — 32,955 Weighted-average common stock—diluted 42,137,084 43,838,488 41,855,510 43,680,317 The following securities were not Three Months Ended June 30, Six Months Ended June 30, 2017 201 6 201 7 201 6 Common stock options 1,436,718 — 1,504,466 — Unvested restricted stock unit 2,591,673 939,346 3,365,095 479,679 Convertible debts 10,830,038 5,727,092 10,830,038 5,727,092 14,858,429 6,666,438 15,699,599 6,206,771

Note 13 - Stock-based Compensat

Note 13 - Stock-based Compensation	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	13. In June 2010, 2010 “2010 November 2010. 2010 2010 2010 June 30, 2017, 4,414,376 2010 Stock Option Awards The Company did not three six June 30, 2017 2016. The following table summarizes information regarding options outstanding: Number of Weighted Weighted Aggregate Outstanding at December 31, 201 6 1,647,845 $ 10.86 4.28 $ 55,636 Exercised (216,602 ) 6.68 Outstanding at June 30, 2017 1,431,243 $ 11.49 3.84 $ 32,648 Vested and e xercisable at June 30, 2017 1,431,243 $ 11.49 3.84 $ 32,648 The intrinsic value of options outstanding, exercisable and vested and expected to vest is calculated based on the difference between the exercise price and the fair value of the Company’s common stock as of the respective balance sheet dates. The total intrinsic value of options exercised during the six June 30, 2017 2016 $8,635 $6,855, $1,485 $2,607, six June 30, 2017 2016. Restricted Stock Units The Company granted restricted stock units (“RSUs”) to members of the Board and employees. Most of the Company’s outstanding RSUs vest over four The following table summarizes information regarding outstanding restricted stock units : Number of Weighted Value Per Share Outstanding at December 31, 2016 4,448,630 $ 27.29 Granted 1,226,987 43.11 Vested (1,102,681 ) 19.61 Canceled (139,463 ) 32.39 Outstanding at June 30, 2017 4,433,473 $ 33.41 Expected to vest at June 30, 2017 4,357,049 The RSUs include performance-based stock units subject to achievement of pre-established revenue goal and earnings per share on non-GAAP basis. Once the goals are met, the performance-based stock units are subject to four six June 30, 2017 92,255 June 30, 2017, 345,601. Employee Stock Purchase Plan In December 2011, may not 15% six February 10 August 10 85% six The ESPP imposes certain limitations upon an employee’s right to acquire common stock, including the following: (i) no 5% no may $25 1,750,000 six June 30, 2017 2016 78,348 164,696, The fair value of the ESPP is estimated at the start of offering period using the Black-Scholes option pricing model with the following assumptions: Six Months Ended June 30, 201 7 201 6 Risk-free interest rate 0.65 % 0.45 % Expected life (in years) 0.50 0.50 Dividend yield — — Expected volatility 38 % 55 % Estimated fair value $ 12.58 $ 7.26 Stock-Based Compensation Expense Stock-based compensation expense is included in the Company’s results of operations as follows: Three Months Ended June 30, Six Months Ended June 30, 2017 2016 2017 2016 Operating expenses Cost of goods sold $ 537 $ 426 $ 1,098 $ 761 Research and development 7,274 4,684 13,189 8,398 Sales and marketing 2,119 952 3,801 1,728 General and administrative 1,315 662 2,387 1,835 Discontinued operations — 1,056 — 2,010 $ 11,245 $ 7,780 $ 20,475 $ 14,732 Total unrecognized compensation cost related to unvested stock options, restricted stock units and awards at June 30, 2017, $125,378 3.11

Note 14 - Fair Value Measuremen

Note 14 - Fair Value Measurements	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Fair Value Disclosures [Text Block]	14. The guidance on fair value measurements requires fair value measurements to be classified and disclosed in one three Level 1 Level 2 not Level 3 no The Company measures its investments in marketable securities at fair value using the market approach, which uses prices and other relevant information generated by market transactions involving identical or comparable assets or liabilities. The Company has cash equivalents, which consist of money market funds valued using the amortized cost method, in accordance with Rule 2a 7 1940 The Company determines the amount of transfers between Levels 1 2 3 no three six June 30, 2017. The following table presents information about assets required to be carried at fair value on a recurring basis: June 30 , 201 7 Total Level 1 Level 2 Assets Cash equivalents: Money market funds $ 1,088 $ 80 $ 1,008 Municipal bonds 2,001 — 2,001 Commercial paper 48,659 — 48,659 Investment in marketable securities: U.S. treasury securities 999 999 — Municipal bonds 46,611 — 46,611 Corporate notes/bonds 104,392 — 104,392 Variable rate demand notes 37,665 — 37,665 Asset backed securities 5,463 — 5,463 Commercial paper 23,506 — 23,506 $ 270,384 $ 1,079 $ 269,305 Liabilities Convertible Notes $ 537,335 $ — $ 537,335 December 31, 201 6 Total Level 1 Level 2 Assets Cash equivalents: Money market funds $ 17,267 $ 10,110 $ 7,157 Investment in marketable securities: U.S. treasury securities 4,000 4,000 — Municipal bonds 45,171 — 45,171 Corporate notes/bonds 112,205 — 112,205 Variable rate demand notes 58,930 — 58,930 Asset backed securities 5,223 — 5,223 Commercial paper 23,947 — 23,947 $ 266,743 $ 14,110 $ 252,633 Liabilities Convertible Notes $ 616,831 $ — $ 616,831 The Convertible Notes are carried on the Consolidated Balance Sheets at their original issuance value including accreted interest, net of unamortized debt discount and issuance cost. The Convertible Notes are not June 30, 2017 December 31, 2016, 2

Note 15 - Segment and Geographi

Note 15 - Segment and Geographic Information	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	15. The Company operates in one may The following table sets forth the Company’s revenue by geographic region: Three Months Ended June 30, Six Months Ended June 30, 201 7 201 6 201 7 201 6 China $ 22,835 $ 19,947 $ 60,555 $ 40,514 United States 18,834 6,495 31,043 14,467 Singapore 10,221 4 14,522 10 Thailand 9,885 10,974 23,738 16,652 Japan 9,960 8,717 20,654 15,842 Other 12,688 14,387 27,495 27,130 $ 84,423 $ 60,524 $ 178,007 $ 114,615 As of June 30, 2017, $8,152 $5,131 December 31, 2016, $6,567 $5,068

Note 16 - Commitments and Conti

Note 16 - Commitments and Contingencies	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	16. Leases The Company leases its facility under noncancelable lease agreements expiring in various years through 2026. As of June 30, 2017, one 2017 (remaining) $ 3,501 2018 5,650 2019 5,513 2020 2,655 2021 1,789 Thereafter 4,896 $ 24,004 For the three six June 30, 2017, $1,744 $3,366, three six June 30, 2016, $3,811 $6,094, Noncancelable Purchase Obligations The Company depends upon third June 30, 2017, $6,062. June 30, 2017, $171 $264 Legal Proceedings Netlist, Inc. v. Inphi Corporation, Case No. 09 6900 On September 22, 2009, No. 7,532,537. December 22, 2009, 7,619,912 7,636,274, No. 7,532,537, February 11, 2010 not 2010, inter partes 120 As to the proceedings at the USPTO, reexamination has been ordered for all of the patents that were alleged to infringe, and at present, the USPTO has determined that almost all of the originally filed claims are not No. 7,532,537 August 2, 2016 7,619,912 7,636,274. While the Company intends to defend the foregoing USPTO proceedings and lawsuit vigorously, the USPTO proceedings and litigation, whether or not Based on the nature of USPTO proceedings and litigation, the Company is currently unable to predict the final outcome of this lawsuit and therefore, cannot determine the likelihood of loss nor estimate a range of possible loss. However, because of the nature and inherent uncertainties of litigation, should the outcome of these actions be unfavorable, the Company’s business, financial condition, results of operations or cash flows could be materially and adversely affected. Indemnifications In the ordinary course of business, the Company may not third may may not not no June 30, 2017 December 31, 2016.

Note 3 - Discontinued Operati23

Note 3 - Discontinued Operations (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Results from Discontinued Operations [Table Text Block]	Three Months Ended June 30, 2016 Six Months Ended June 30, 2016 Revenue $ 9,766 $ 22,206 Cost of revenue (5,053 ) (12,204 ) Operating expenses (5,279 ) (10,263 ) Other income — 176 Benefit (provision) for income taxes 154 (17 ) Net loss from discontinued operations $ (412 ) $ (102 ) Three Months Ended June 30, 2016 Six Months Ended June 30, 2016 Depreciation and amortization $ 459 $ 958 Stock-based compensation expense 1,056 2,010 Property and equipment expenditures 794 2,198

Note 4 - Investments (Tables)

Note 4 - Investments (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Available-for-sale Securities [Table Text Block]	June 30 , 201 7 December 31, 201 6 Cost Fair Value Cost Fair Value Available-for-sale securities: U.S. treasury securities $ 1,000 $ 999 $ 3,999 $ 4,000 Municipal bonds 46,617 46,611 45,289 45,171 Corporate notes/bonds 104,398 104,392 112,330 112,205 Variable rate demand notes 37,665 37,665 58,930 58,930 Commercial paper 23,506 23,506 23,945 23,947 Asset backed securities 5,464 5,463 5,221 5,223 Total investments $ 218,650 $ 218,636 $ 249,714 $ 249,476
Investments Classified by Contractual Maturity Date [Table Text Block]	Cost Fair Value Due in one year or less $ 126,307 $ 126,271 Due between one and five years 54,678 54,700 Due after five years 37,665 37,665 $ 218,650 $ 218,636

Note 5 - Inventories (Tables)

Note 5 - Inventories (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Inventory, Current [Table Text Block]	June 30, 2017 December 31, 2016 Raw materials $ 13,616 $ 1,648 Work in process 17,172 15,999 Finished goods 3,668 14,392 $ 34,456 $ 32,039

Note 6 - Property and Equipme26

Note 6 - Property and Equipment, Net (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Property, Plant and Equipment [Table Text Block]	June 30, 2017 December 31, 2016 Laboratory and production equipment $ 81,064 $ 64,402 Office, software and computer equipment 27,375 25,248 Furniture and fixtures 1,546 1,396 Leasehold improvements 7,269 6,707 117,254 97,753 Less accumulated depreciation (61,898 ) (53,282 ) $ 55,356 $ 44,471
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]	2017 (remaining) $ 474 2018 772 2019 590 2020 418 2021 126 Total minimum lease payments 2,380 Less: Amount representing interest 371 Minimum lease payments, net of interest $ 2,009

Note 7 - Identifiable Intangi27

Note 7 - Identifiable Intangible Assets (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Finite-Lived Intangible Assets [Table Text Block]	June 30, 2017 December 31, 2016 Gross Accumulated Amortization Net Gross Accumulated Amortization Net Developed technology $ 138,020 $ 41,078 $ 96,942 $ 138,020 $ 26,579 $ 111,441 Customer relationships 70,540 7,091 63,449 70,540 2,227 68,313 Trade name 2,310 657 1,653 2,310 426 1,884 Patents 1,579 645 934 1,579 552 1,027 Software 49,827 9,557 40,270 47,394 336 47,058 In-process research and development 97,340 — 97,340 97,340 — 97,340 $ 359,616 $ 59,028 $ 300,588 $ 357,183 $ 30,120 $ 327,063
Finite-lived Intangible Assets Amortization Expense [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 2017 2016 2017 2016 Cost of goods sold $ 7,249 $ 2,875 $ 14,499 $ 5,750 Research and development 4,515 — 9,221 — Sales and marketing 2,432 204 4,864 408 General and administrative 163 99 324 198 $ 14,359 $ 3,178 $ 28,908 $ 6,356
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	2017 (remaining) $ 28,993 2018 55,731 2019 51,318 2020 23,051 2021 19,873 Thereafter 24,282 $ 203,248
Finite Lived Intangible Assets Remaining Amortization Period [Table Text Block]	Developed technology 3.8 Customer relationship 6.5 Trade name 3.9 Patents 10.3 Software 2.3

Note 10 - Other Liabilities (Ta

Note 10 - Other Liabilities (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Other Current Liabilities [Table Text Block]	June 30, 2017 December 31, 2016 Obligations under capital lease $ 718 $ 797 Intangible asset liability 16,978 14,688 Others 4,538 9,251 $ 22,234 $ 24,736
Other Noncurrent Liabilities [Table Text Block]	June 30, 2017 December 31, 2016 Deferred rent $ 1,331 $ 1,067 Income tax payable 1,820 1,554 Obligations under capital lease 1,291 1,633 Intangible asset liability 23,250 32,651 Deferred tax liabilities 27,127 27,371 Others 859 668 $ 55,678 $ 64,944

Note 12 - Earnings Per Share (T

Note 12 - Earnings Per Share (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Weighted Average Number of Shares [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 201 7 201 6 201 7 201 6 Weighted-average common stock—basic 42,137,084 40,412,319 41,855,510 40,085,260 Effect of potentially dilutive securities: Add options to purchase common stock — 1,324,796 — 1,327,237 Add unvested restricted stock unit — 2,101,373 — 2,234,865 Add employee stock purchase plan — — — 32,955 Weighted-average common stock—diluted 42,137,084 43,838,488 41,855,510 43,680,317
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 2017 201 6 201 7 201 6 Common stock options 1,436,718 — 1,504,466 — Unvested restricted stock unit 2,591,673 939,346 3,365,095 479,679 Convertible debts 10,830,038 5,727,092 10,830,038 5,727,092 14,858,429 6,666,438 15,699,599 6,206,771

Note 13 - Stock-based Compens30

Note 13 - Stock-based Compensation (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Share-based Compensation, Stock Options, Activity [Table Text Block]	Number of Weighted Weighted Aggregate Outstanding at December 31, 201 6 1,647,845 $ 10.86 4.28 $ 55,636 Exercised (216,602 ) 6.68 Outstanding at June 30, 2017 1,431,243 $ 11.49 3.84 $ 32,648 Vested and e xercisable at June 30, 2017 1,431,243 $ 11.49 3.84 $ 32,648
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]	Number of Weighted Value Per Share Outstanding at December 31, 2016 4,448,630 $ 27.29 Granted 1,226,987 43.11 Vested (1,102,681 ) 19.61 Canceled (139,463 ) 32.39 Outstanding at June 30, 2017 4,433,473 $ 33.41 Expected to vest at June 30, 2017 4,357,049
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]	Six Months Ended June 30, 201 7 201 6 Risk-free interest rate 0.65 % 0.45 % Expected life (in years) 0.50 0.50 Dividend yield — — Expected volatility 38 % 55 % Estimated fair value $ 12.58 $ 7.26
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 2017 2016 2017 2016 Operating expenses Cost of goods sold $ 537 $ 426 $ 1,098 $ 761 Research and development 7,274 4,684 13,189 8,398 Sales and marketing 2,119 952 3,801 1,728 General and administrative 1,315 662 2,387 1,835 Discontinued operations — 1,056 — 2,010 $ 11,245 $ 7,780 $ 20,475 $ 14,732

Note 14 - Fair Value Measurem31

Note 14 - Fair Value Measurements (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Fair Value, Assets Measured on Recurring Basis [Table Text Block]	June 30 , 201 7 Total Level 1 Level 2 Assets Cash equivalents: Money market funds $ 1,088 $ 80 $ 1,008 Municipal bonds 2,001 — 2,001 Commercial paper 48,659 — 48,659 Investment in marketable securities: U.S. treasury securities 999 999 — Municipal bonds 46,611 — 46,611 Corporate notes/bonds 104,392 — 104,392 Variable rate demand notes 37,665 — 37,665 Asset backed securities 5,463 — 5,463 Commercial paper 23,506 — 23,506 $ 270,384 $ 1,079 $ 269,305 Liabilities Convertible Notes $ 537,335 $ — $ 537,335 December 31, 201 6 Total Level 1 Level 2 Assets Cash equivalents: Money market funds $ 17,267 $ 10,110 $ 7,157 Investment in marketable securities: U.S. treasury securities 4,000 4,000 — Municipal bonds 45,171 — 45,171 Corporate notes/bonds 112,205 — 112,205 Variable rate demand notes 58,930 — 58,930 Asset backed securities 5,223 — 5,223 Commercial paper 23,947 — 23,947 $ 266,743 $ 14,110 $ 252,633 Liabilities Convertible Notes $ 616,831 $ — $ 616,831

Note 15 - Segment and Geograp32

Note 15 - Segment and Geographic Information (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Revenue from External Customers by Geographic Areas [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 201 7 201 6 201 7 201 6 China $ 22,835 $ 19,947 $ 60,555 $ 40,514 United States 18,834 6,495 31,043 14,467 Singapore 10,221 4 14,522 10 Thailand 9,885 10,974 23,738 16,652 Japan 9,960 8,717 20,654 15,842 Other 12,688 14,387 27,495 27,130 $ 84,423 $ 60,524 $ 178,007 $ 114,615

Note 16 - Commitments and Con33

Note 16 - Commitments and Contingencies (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]	2017 (remaining) $ 3,501 2018 5,650 2019 5,513 2020 2,655 2021 1,789 Thereafter 4,896 $ 24,004

Note 1 - Organization and Bas34

Note 1 - Organization and Basis of Presentation (Details Textual) - USD ($) $ in Thousands	Dec. 12, 2016	Aug. 04, 2016
ClariPhy Communications Inc.[Member]
Payments to Acquire Businesses, Gross	$ 303,661
Memory Product Business [Member] | Discontinued Operations, Held-for-sale [Member] | Rambus Inc. [Member]
Disposal Group, Including Discontinued Operation, Consideration		$ 90,000

Note 3 - Discontinued Operati35

Note 3 - Discontinued Operations - Results of Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue		$ 9,766		$ 22,206
Cost of revenue		(5,053)		(12,204)
Operating expenses		(5,279)		(10,263)
Other income				176
Benefit (provision) for income taxes		154		(17)
Net loss from discontinued operations		(412)		(102)
Depreciation and amortization, discontinued operations		459		958
Stock-based compensation expense		1,056		2,010
Property and equipment expenditures		$ 794		$ 2,198

Note 4 - Investments (Details T

Note 4 - Investments (Details Textual) $ in Thousands	Jun. 30, 2017USD ($)
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	67
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax	$ 115

Note 4 - Investments - Summary

Note 4 - Investments - Summary of Investments by Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Available-for-sale securities, amortized cost	$ 218,650	$ 249,714
Available-for-sale securities, fair value	218,636	249,476
US Treasury Securities [Member]
Available-for-sale securities, amortized cost	1,000	3,999
Available-for-sale securities, fair value	999	4,000
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, amortized cost	46,617	45,289
Available-for-sale securities, fair value	46,611	45,171
Corporate Debt Securities [Member]
Available-for-sale securities, amortized cost	104,398	112,330
Available-for-sale securities, fair value	104,392	112,205
Variable Rate Demand Note [Member]
Available-for-sale securities, amortized cost	37,665	58,930
Available-for-sale securities, fair value	37,665	58,930
Commercial Paper [Member]
Available-for-sale securities, amortized cost	23,506	23,945
Available-for-sale securities, fair value	23,506	23,947
Asset-backed Securities [Member]
Available-for-sale securities, amortized cost	5,464	5,221
Available-for-sale securities, fair value	$ 5,463	$ 5,223

Note 4 - Investments - Contract

Note 4 - Investments - Contractual Maturities of Available-for-sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Due in one year or less, cost	$ 126,307
Due in one year or less, fair value	126,271
Due between one and five years, cost	54,678
Due between one and five years, fair value	54,700
Due after five years, cost	37,665
Due after five years, fair value	37,665
Available-for-sale securities, cost	218,650
Available-for-sale securities, fair value	$ 218,636	$ 249,476

Note 5 - Inventories (Details T

Note 5 - Inventories (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Other Inventory, Materials, Supplies and Merchandise under Consignment, Gross	$ 866	$ 805

Note 5 - Inventories - Schedule

Note 5 - Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Raw materials	$ 13,616	$ 1,648
Work in process	17,172	15,999
Finished goods	3,668	14,392
Total inventories	$ 34,456	$ 32,039

Note 6 - Property and Equipme41

Note 6 - Property and Equipment, Net (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation	$ 466		$ 466		$ 36
Depreciation	5,028	$ 4,086	9,899	$ 7,638
Capitalized Computer Software, Gross	6,930		6,930		6,453
Capitalized Computer Software, Amortization	262	$ 299	539	$ 586
Property Plant and Equipment Not Yet Paid	6,744		6,744		4,221
Capital Leased Assets, Gross	$ 3,639		$ 3,639		$ 3,698

Note 6 - Property and Equipme42

Note 6 - Property and Equipment, Net - Property and Equipment Components (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Property, plant and equipment, gross	$ 117,254	$ 97,753
Less accumulated depreciation	(61,898)	(53,282)
Total property and equipment	55,356	44,471
Equipment [Member]
Property, plant and equipment, gross	81,064	64,402
Office, Software, and Computer Equipment [Member]
Property, plant and equipment, gross	27,375	25,248
Furniture and Fixtures [Member]
Property, plant and equipment, gross	1,546	1,396
Leasehold Improvements [Member]
Property, plant and equipment, gross	$ 7,269	$ 6,707

Note 6 - Property and Equipme43

Note 6 - Property and Equipment, Net - Minimum Capital Lease Payments (Details) $ in Thousands	Jun. 30, 2017USD ($)
2017 (remaining)	$ 474
2,018	772
2,019	590
2,020	418
2,021	126
Total minimum lease payments	2,380
Less: Amount representing interest	371
Minimum lease payments, net of interest	$ 2,009

Note 7 - Identifiable Intangi44

Note 7 - Identifiable Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2017
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accounts Receivable	$ 540	$ 540
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liability	96	96
Goodwill, Purchase Accounting Adjustments	636	636
Goodwill, Period Increase (Decrease)	$ (636)	$ (636)

Note 7 - Identifiable Intangi45

Note 7 - Identifiable Intangible Assets - Identifiable Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Intangible assets, gross	$ 359,616	$ 357,183
Intangible assets, accumulated amortization	59,028	30,120
Intangible assets, net	300,588	327,063
Developed Technology Rights [Member]
Intangible assets, gross	138,020	138,020
Intangible assets, accumulated amortization	41,078	26,579
Intangible assets, net	96,942	111,441
Customer Relationships [Member]
Intangible assets, gross	70,540	70,540
Intangible assets, accumulated amortization	7,091	2,227
Intangible assets, net	63,449	68,313
Trade Names [Member]
Intangible assets, gross	2,310	2,310
Intangible assets, accumulated amortization	657	426
Intangible assets, net	1,653	1,884
Patents [Member]
Intangible assets, gross	1,579	1,579
Intangible assets, accumulated amortization	645	552
Intangible assets, net	934	1,027
Computer Software, Intangible Asset [Member]
Intangible assets, gross	49,827	47,394
Intangible assets, accumulated amortization	9,557	336
Intangible assets, net	40,270	47,058
In Process Research and Development [Member]
Intangible assets, gross	97,340	97,340
Intangible assets, accumulated amortization
Intangible assets, net	$ 97,340	$ 97,340

Note 7 - Identifiable Intangi46

Note 7 - Identifiable Intangible Assets - Finite-lived Intangible Assets, Accumulated Amortization (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Amortization of intangible assets	$ 14,359	$ 3,178	$ 28,908	$ 6,356
Cost of Sales [Member]
Cost of goods sold	7,249	2,875	14,499	5,750
Research and Development Expense [Member]
Amortization of intangible assets	4,515		9,221
Selling and Marketing Expense [Member]
Amortization of intangible assets	2,432	204	4,864	408
General and Administrative Expense [Member]
Amortization of intangible assets	$ 163	$ 99	$ 324	$ 198

Note 7 - Identifiable Intangi47

Note 7 - Identifiable Intangible Assets - Amortization of Intangible Assets, Future Amortization Expense (Details) $ in Thousands	Jun. 30, 2017USD ($)
2017 (remaining)	$ 28,993
2,018	55,731
2,019	51,318
2,020	23,051
2,021	19,873
Thereafter	24,282
Total amortization expense	$ 203,248

Note 7 - Identifiable Intangi48

Note 7 - Identifiable Intangible Assets - Intangible Assets Weighted-average Amortization Periods (Details)	6 Months Ended
	Jun. 30, 2017
Developed Technology Rights [Member]
Finite-lived intangible assets, remaining amortization period (Year)	3 years 292 days
Customer Relationships [Member]
Finite-lived intangible assets, remaining amortization period (Year)	6 years 182 days
Trade Names [Member]
Finite-lived intangible assets, remaining amortization period (Year)	3 years 328 days
Patents [Member]
Finite-lived intangible assets, remaining amortization period (Year)	10 years 109 days
Computer Software, Intangible Asset [Member]
Finite-lived intangible assets, remaining amortization period (Year)	2 years 109 days

Note 8 - Product Warranty Obl49

Note 8 - Product Warranty Obligation (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Standard and Extended Product Warranty Accrual, Period Increase (Decrease)	$ 0	$ 0	$ 0	$ 0
Standard and Extended Product Warranty Accrual	$ 110		$ 110		$ 110

Note 9 - Convertible Debt (Deta

Note 9 - Convertible Debt (Details Textual) - Convertible Debt [Member] $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
	Sep. 30, 2016USD ($)$ / shares$ / item	Dec. 31, 2015USD ($)$ / shares$ / item	Jun. 30, 2017USD ($)	Jun. 30, 2016USD ($)	Jun. 30, 2017USD ($)	Jun. 30, 2016USD ($)
Convertible Notes 2015 [Member]
Debt Instrument, Convertible, Conversion Price | $ / shares		$ 40.16
Interest Expense, Debt			$ 3,360	$ 3,171	$ 6,632	$ 6,303
Interest Expense, Debt, Excluding Amortization			645	521	1,285	1,276
Amortization of Debt Discount (Premium)			2,490	2,432	4,905	4,613
Amortization of Debt Issuance Costs			225	$ 218	442	$ 414
Capped Call, Aggregate Call Options Purchased, Percentage Related to Shares Underlying the Convertible Note		100.00%
Derivative, Cap Price | $ / item		52.06
Debt Instrument, Face Amount		$ 230,000
Debt Instrument, Interest Rate, Stated Percentage		1.125%
Debt Instrument, Convertible, Conversion Ratio		24.8988
Convertible Notes 2016 [Member]
Debt Instrument, Convertible, Conversion Price | $ / shares	$ 56.34
Interest Expense, Debt			3,892		7,686
Interest Expense, Debt, Excluding Amortization			533		1,065
Amortization of Debt Discount (Premium)			3,104		6,120
Amortization of Debt Issuance Costs			$ 255		$ 501
Capped Call, Aggregate Call Options Purchased, Percentage Related to Shares Underlying the Convertible Note	100.00%
Derivative, Cap Price | $ / item	73.03
Debt Instrument, Face Amount	$ 287,500
Debt Instrument, Interest Rate, Stated Percentage	0.75%
Debt Instrument, Convertible, Conversion Ratio	17.7508

Note 10 - Other Liabilities - O

Note 10 - Other Liabilities - Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Obligations under capital lease	$ 718	$ 797
Intangible asset liability	16,978	14,688
Others	4,538	9,251
Other current liabilities	$ 22,234	$ 24,736

Note 10 - Other Liabilities -52

Note 10 - Other Liabilities - Other Long-term Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Deferred rent	$ 1,331	$ 1,067
Income tax payable	1,820	1,554
Obligations under capital lease	1,291	1,633
Intangible asset liability	23,250	32,651
Deferred tax liabilities	27,127	27,371
Others	859	668
Total other long-term liabilities	$ 55,678	$ 64,944

Note 11 - Income Taxes (Details

Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Tax Expense (Benefit)	$ 371	$ 303	$ 823	$ (29)
Effective Income Tax Rate Reconciliation, Percent	(3.00%)	24.00%	(3.00%)	(4.00%)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	34.00%	34.00%	34.00%	34.00%
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	$ 1,080		$ 3,057
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 122		122
Accounting Standards Update 2016-16 [Member]
Cumulative Effect on Retained Earnings, Net of Tax			$ 1,217

Note 12 - Earnings Per Share -

Note 12 - Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Basic (in shares)	42,137,084	40,412,319	41,855,510	40,085,260
Effect of potentially dilutive securities:
Add options to purchase common stock (in shares)		1,324,796		1,327,237
Add unvested restricted stock unit (in shares)		2,101,373		2,234,865
Add employee stock purchase plan (in shares)				32,955
Weighted-average common stock—diluted (in shares)	42,137,084	43,838,488	41,855,510	43,680,317

Note 12 - Earnings Per Share 55

Note 12 - Earnings Per Share - Securities Not Included in Computation of Earnings Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Anti-dilutive securities (in shares)	14,858,429	6,666,438	15,699,599	6,206,771
Employee Stock Option [Member]
Anti-dilutive securities (in shares)	1,436,718		1,504,466
Restricted Stock [Member]
Anti-dilutive securities (in shares)	2,591,673	939,346	3,365,095	479,679
Convertible Debt Securities [Member]
Anti-dilutive securities (in shares)	10,830,038	5,727,092	10,830,038	5,727,092

Note 13 - Stock-based Compens56

Note 13 - Stock-based Compensation (Details Textual) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Common Stock, Capital Shares Reserved for Future Issuance		4,414,376		4,414,376
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		0	0	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value				$ 8,635,000	$ 6,855,000
Proceeds from Stock Options Exercised				$ 1,485,000	$ 2,607,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period				92,255
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number		345,601		345,601
Stock Issued During Period, Shares, Employee Stock Purchase Plans				78,348	164,696
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 125,378		$ 125,378
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition				3 years 40 days
Employee Stock Purchase Plan [Member]
Maximum Percentage of Aggregate Cash Compensation for Purchase of Stock Using Payroll Deduction	15.00%
Purchase Price PerShare as Percentage of Market Value	85.00%
Percentage of Combined Voting Power or Value of All Classes of Stock Not Eligible to Participate	5.00%
Fair Value of Common Stock in Calendar Year per Employee Not Eligible to Participate	$ 25,000
Maximum Aggregate Number of Shares of Common Stock Available for Purchase under Employee Stock Purchase Plan				1,750,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				4 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period				1,102,681
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number		4,433,473		4,433,473		4,448,630

Note 13 - Stock-based Compens57

Note 13 - Stock-based Compensation - Information Regarding Options Outstanding (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Number of shares outstanding (in shares)	1,647,845
Number of shares outstanding, weighted-average exercise price (in dollars per share)	$ 10.86
Number of shares outstanding, weighted-average exercise price (in dollars per share)	$ 11.49	$ 10.86
Number of shares outstanding, weighted-average remaining contractual life (Year)	3 years 306 days	4 years 102 days
Number of shares outstanding, aggregate intrinsic value	$ 32,648	$ 55,636
Number of shares vested and exercisable (in shares)	1,431,243
Number of shares vested and exercisable, weighted average exercise price (in dollars per share)	$ 11.49
Number of shares vested and exercisable, weighted average remaining contractual life (Year)	3 years 306 days
Number of shares exercised (in shares)	(216,602)
Number of shares exercised, weighted-average exercise price (in dollars per share)	$ 6.68
Number of shares outstanding (in shares)	1,431,243	1,647,845
Number of shares vested and exercisable, aggregated intrinsic value	$ 32,648

Note 13 - Stock-based Compens58

Note 13 - Stock-based Compensation - Information Regarding Outstanding Restricted Stock Units (Details)	6 Months Ended
	Jun. 30, 2017$ / sharesshares
Number of restricted stock units vested (in shares)	(92,255)
Number of restricted stock units outstanding (in shares)	345,601
Restricted Stock Units (RSUs) [Member]
Number of restricted stock units outstanding (in shares)	4,448,630
Number of restricted stock units outstanding, weighted-average grant date fair value per share (in dollars per share) | $ / shares	$ 27.29
Number of restricted stock units outstanding, weighted-average grant date fair value per share (in dollars per share) | $ / shares	$ 33.41
Number of restricted stock units expected to vest in the future (in shares)	4,357,049
Number of restricted stock units granted (in shares)	1,226,987
Number of restricted stock units granted, weighted-average grant date fair value per share (in dollars per share) | $ / shares	$ 43.11
Number of restricted stock units vested (in shares)	(1,102,681)
Number of restricted stock units vested, weighted-average grant date fair value per share (in dollars per share) | $ / shares	$ 19.61
Number of restricted stock units cancelled (in shares)	(139,463)
Number of restricted stock units cancelled, weighted-average grant date fair value per share (in dollars per share) | $ / shares	$ 32.39
Number of restricted stock units outstanding (in shares)	4,433,473

Note 13 - Stock-based Compens59

Note 13 - Stock-based Compensation - Fair Value of Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plan [Member] - $ / shares	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Risk-free interest rate	0.65%	0.45%
Expected life (in years) (Year)	182 days	182 days
Expected volatility	38.00%	55.00%
Estimated fair value (in dollars per share)	$ 12.58	$ 7.26

Note 13 - Stock-based Compens60

Note 13 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Allocated share-based compensation expense	$ 11,245	$ 7,780	$ 20,475	$ 14,732
Cost of Sales [Member]
Allocated share-based compensation expense	537	426	1,098	761
Research and Development Expense [Member]
Allocated share-based compensation expense	7,274	4,684	13,189	8,398
Selling and Marketing Expense [Member]
Allocated share-based compensation expense	2,119	952	3,801	1,728
General and Administrative Expense [Member]
Allocated share-based compensation expense	1,315	662	2,387	1,835
Net income (Loss) from Discontinued Operations [Member]
Allocated share-based compensation expense		$ 1,056		$ 2,010

Note 14 - Fair Value Measurem61

Note 14 - Fair Value Measurements - Information about Assets and Liabilities Required to be Carried at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Convertible Notes	$ 537,335	$ 616,831
Total fair value of assets	270,384	266,743
Fair Value, Inputs, Level 1 [Member]
Convertible Notes
Total fair value of assets	1,079	14,110
Fair Value, Inputs, Level 2 [Member]
Convertible Notes	537,335	616,831
Total fair value of assets	269,305	252,633
Money Market Funds [Member]
Cash equivalents	1,088	17,267
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Cash equivalents	80	10,110
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Cash equivalents	1,008	7,157
Municipal Bonds [Member]
Cash equivalents	2,001
Investment in marketable securities	46,611	45,171
Municipal Bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Cash equivalents
Investment in marketable securities
Municipal Bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Cash equivalents	2,001
Investment in marketable securities	46,611	45,171
US Treasury Securities [Member]
Investment in marketable securities	999	4,000
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment in marketable securities	999	4,000
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment in marketable securities
Commercial Paper [Member]
Cash equivalents	48,659
Investment in marketable securities	23,506	23,947
Commercial Paper [Member] | Fair Value, Inputs, Level 1 [Member]
Cash equivalents
Investment in marketable securities
Commercial Paper [Member] | Fair Value, Inputs, Level 2 [Member]
Cash equivalents	48,659
Investment in marketable securities	23,506	23,947
Corporate Debt Securities [Member]
Investment in marketable securities	104,392	112,205
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment in marketable securities
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment in marketable securities	104,392	112,205
Variable Rate Demand Note [Member]
Investment in marketable securities	37,665	58,930
Variable Rate Demand Note [Member] | Fair Value, Inputs, Level 1 [Member]
Investment in marketable securities
Variable Rate Demand Note [Member] | Fair Value, Inputs, Level 2 [Member]
Investment in marketable securities	37,665	58,930
Asset-backed Securities [Member]
Investment in marketable securities	5,463	5,223
Asset-backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment in marketable securities
Asset-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment in marketable securities	$ 5,463	$ 5,223

Note 15 - Segment and Geograp62

Note 15 - Segment and Geographic Information (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Non-US [Member]
Long-Lived Assets	$ 8,152	$ 6,567
TAIWAN, PROVINCE OF CHINA
Long-Lived Assets	$ 5,131	$ 5,068

Note 15 - Segment and Geograp63

Note 15 - Segment and Geographic Information - Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue	$ 84,423	$ 60,524	$ 178,007	$ 114,615
CHINA
Revenue	22,835	19,947	60,555	40,514
UNITED STATES
Revenue	18,834	6,495	31,043	14,467
SINGAPORE
Revenue	10,221	4	14,522	10
THAILAND
Revenue	9,885	10,974	23,738	16,652
JAPAN
Revenue	9,960	8,717	20,654	15,842
Other Country [Member]
Revenue	$ 12,688	$ 14,387	$ 27,495	$ 27,130

Note 16 - Commitments and Con64

Note 16 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Operating Leases, Rent Expense, Net	$ 1,744	$ 3,811	$ 3,366	$ 6,094
Value of Open Purchase Orders	6,062		6,062
Estimated Litigation Liability	0		0		$ 0
Software License Commitment [Member]
Purchase Obligation	171		171
Mask [Member]
Purchase Obligation	$ 264		$ 264

Note 16 - Commitments and Con65

Note 16 - Commitments and Contingencies - Future Minimum Lease Payments Under Noncancelable Operating Leases (Details) $ in Thousands	Jun. 30, 2017USD ($)
2017 (remaining)	$ 3,501
2,018	5,650
2,019	5,513
2,020	2,655
2,021	1,789
Thereafter	4,896
Total future minimum lease payments	$ 24,004