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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Convertible Note due 2020
--- | --- | --- | --- | --- | --- | ---
Common Stock, Beginning at Dec. 31, 2018 |  | 87,057 |  |  |  |
Balance at Dec. 31, 2018 | $ 228,250 | $ 87 | $ 2,296,795 | $ (2,067,416) | $ (1,216) |
Cumulative effect to retained earnings related to adoption of Topic 718 | Accounting Standards Update 2016-09 [Member] | 1,400 |  |  | 1,400 |  |
Common Stock, Ending at Jan. 01, 2019 |  | 87,057 |  |  |  |
Balance at Jan. 01, 2019 | 229,650 | $ 87 | 2,296,795 | (2,066,016) | (1,216) |
Common Stock, Beginning at Dec. 31, 2018 |  | 87,057 |  |  |  |
Balance at Dec. 31, 2018 | 228,250 | $ 87 | 2,296,795 | (2,067,416) | (1,216) |
Net loss | (11,306) |  |  | (11,306) |  |
Other comprehensive loss, net of tax | (1,249) |  |  |  | (1,249) |
Issuance of common stock under option, stock award and purchase plans, Shares |  | 1,727 |  |  |  |
Issuance of common stock under option, stock award and purchase plans, Value | 1,355 | $ 2 | 1,353 |  |  |
Stock-based compensation | 2,111 |  | 2,111 |  |  |
Common Stock, Ending at Mar. 29, 2019 |  | 88,784 |  |  |  |
Balance at Mar. 29, 2019 | 220,561 | $ 89 | 2,300,259 | (2,077,322) | (2,465) |
Common Stock, Beginning at Dec. 31, 2019 |  | 91,875 |  |  |  |
Balance at Dec. 31, 2019 | 252,446 | $ 92 | 2,327,359 | (2,071,940) | (3,065) |
Net loss | (21,954) |  |  | (21,954) |  |
Other comprehensive loss, net of tax | (3,275) |  |  |  | (3,275) |
Issuance of common stock under option, stock award and purchase plans, Shares |  | 2,278 |  |  |  |
Issuance of common stock under option, stock award and purchase plans, Value | 2,171 | $ 3 | 2,168 |  |  |
Stock-based compensation | 6,301 |  | 6,301 |  |  |
Issuance of warrant, shares |  | 2,413 |  |  |  |
Issuance of warrant, amount |  | $ 2 |  |  |  |
Issuance of warrant, Additional Paid-in Capital | 0 |  | (2) |  |  |
Reclassification from mezzanine equity to equity for 4.00% Convertible Senior Notes due in 2020 | 633 |  | 633 |  |  |
Common Stock, Ending at Mar. 27, 2020 |  | 96,566 |  |  |  |
Balance at Mar. 27, 2020 | $ 236,322 | $ 97 | $ 2,336,459 | $ (2,093,894) | $ (6,340) |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 4.00%

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- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118258462&loc=d3e11149-113907 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118258462&loc=d3e11178-113907 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116855982&loc=d3e4534-113899 + Details
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- Definition Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109126253&loc=d3e4724-112606 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition The number of warrants issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 + Details
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