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Equity | 6 Months Ended
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Jul. 31, 2021
Equity [Abstract] |
Equity | Equity The following table summarizes the changes in stockholders' equity during the three and six months ended July 31, 2021:
|  |  |  |  |  | Accumulated |  |  |
|  |  |  | Additional | Other |  |  | Total
|  | Common Stock | Paid-In | Comprehensive | Accumulated | Treasury | Stockholders’
(in thousands) |  |  | Shares | Amount | Capital | Income | Deficit | Stock | Equity
Balance, January 31, 2021 |  |  | 123,989 |  | $ | 130 |  | $ | 733,933 |  | $ | 2,422 |  | $ | (517,345) |  | $ | (11,905) |  | $ | 207,235 |
Exercise of stock options |  |  | 1,069 |  | 1 |  | 12,110 |  | — |  | — |  | — |  | 12,111 |
Vested restricted stock units converted to common shares |  |  | 871 |  | 1 |  | (1) |  | — |  | — |  | — |  | — |
Issuance of restricted stock |  |  | 4 |  | — |  | — |  | — |  | — |  | — |  | — |
Issuance of common stock under employee stock purchase plan |  |  | 282 |  | — |  | 3,817 |  | — |  | — |  | — |  | 3,817 |
Stock-based compensation |  |  | — |  | — |  | 15,288 |  | — |  | — |  | — |  | 15,288 |
Other comprehensive income |  |  | — |  | — |  | — |  | 355 |  | — |  | — |  | 355 |
Net loss |  |  | — |  | — |  | — |  | — |  | (17,631) |  | — |  | (17,631) |
Balance, April 30, 2021 |  |  | 126,215 |  | 132 |  | 765,147 |  | 2,777 |  | (534,976) |  | (11,905) |  | 221,175 |
Exercise of stock options |  |  | 402 |  | 1 |  | 2,273 |  | — |  | — |  | — |  | 2,274 |
Vested restricted stock units converted to common shares |  |  | 1,172 |  | 1 |  | (1) |  | — |  | — |  | — |  | — |
Issuance of restricted stock |  |  | 11 |  | — |  | — |  | — |  | — |  | — |  | — |
Stock-based compensation |  |  | — |  | — |  | 20,730 |  | — |  | — |  | — |  | 20,730 |
Other comprehensive loss |  |  | — |  | — |  | — |  | (8) |  | — |  | — |  | (8) |
Net loss |  |  | — |  | — |  | — |  | — |  | (27,592) |  | — |  | (27,592) |
Balance, July 31, 2021 |  |  | 127,800 |  | $ | 134 |  | $ | 788,149 |  | $ | 2,769 |  | $ | (562,568) |  | $ | (11,905) |  | $ | 216,579 |
The following table summarizes the changes in stockholders' equity during the three and six months ended July 31, 2020:
|  |  |  |  |  | Accumulated |  |  |
|  |  |  | Additional | Other |  |  | Total
|  | Common Stock | Paid-In | Comprehensive | Accumulated | Treasury | Stockholders’
(in thousands) |  |  | Shares | Amount | Capital | Loss | Deficit | Stock | Equity
Balance, January 31, 2020 |  |  | 115,830 |  | $ | 122 |  | $ | 636,008 |  | $ | (360) |  | $ | (422,653) |  | $ | (11,905) |  | $ | 201,212 |
Exercise of stock options |  |  | 391 |  | 1 |  | 1,895 |  | — |  | — |  | — |  | 1,896 |
Vested restricted stock units converted to common shares |  |  | 903 |  | 1 |  | (1) |  | — |  | — |  | — |  | — |
Issuance of restricted stock |  |  | 26 |  | — |  | — |  | — |  | — |  | — |  | — |
Issuance of common stock under employee stock purchase plan |  |  | 374 |  | — |  | 3,743 |  | — |  | — |  | — |  | 3,743 |
Stock-based compensation |  |  | — |  | — |  | 17,617 |  | — |  | — |  | — |  | 17,617 |
Other comprehensive loss |  |  | — |  | — |  | — |  | (1,333) |  | — |  | — |  | (1,333) |
Net loss |  |  | — |  | — |  | — |  | — |  | (29,224) |  | — |  | (29,224) |
Balance, April 30, 2020 |  |  | 117,524 |  | 124 |  | 659,262 |  | (1,693) |  | (451,877) |  | (11,905) |  | 193,911 |
Exercise of stock options |  |  | 935 |  | 1 |  | 4,750 |  | — |  | — |  | — |  | 4,751 |
Vested restricted stock units converted to common shares |  |  | 1,041 |  | 1 |  | (1) |  | — |  | — |  | — |  | — |
Issuance of restricted stock |  |  | 12 |  | — |  | — |  | — |  | — |  | — |  | — |
Stock-based compensation |  |  | — |  | — |  | 17,752 |  | — |  | — |  | — |  | 17,752 |
Other comprehensive income |  |  | — |  | — |  | — |  | 2,250 |  | — |  | — |  | 2,250 |
Net loss |  |  | — |  | — |  | — |  | — |  | (25,116) |  | — |  | (25,116) |
Balance, July 31, 2020 |  |  | 119,512 |  | $ | 126 |  | $ | 681,763 |  | $ | 557 |  | $ | (476,993) |  | $ | (11,905) |  | $ | 193,548 |
Preferred Stock Effective April 2017, the Company’s Board of Directors is authorized to issue up to 50,000,000 shares of preferred stock, $0.001 par value, in one or more series without stockholder approval. The Company's Board of Directors has the discretion to determine the rights, preferences, privileges and restrictions, including voting rights, dividend rights, conversion rights, redemption privileges and liquidation preferences, of each series of preferred stock. The issuance of preferred stock could have the effect of restricting dividends on the Company’s common stock, diluting the voting power of its common stock, impairing the liquidation rights of its common stock, or delaying or preventing changes in control or management of the Company. As of July 31, 2021 and January 31, 2021, no shares of preferred stock were issued or outstanding. Common Stock As of July 31, 2021 and January 31, 2021, the Company had authorized 500,000,000 shares of voting $0.001 par value common stock. Each holder of the Company's common stock is entitled to one vote for each share on all matters to be voted upon by the stockholders and there are no cumulative rights. Subject to any preferential rights of any outstanding preferred stock, holders of the Company's common stock are entitled to receive ratably the dividends, if any, as may be declared from time to time by the Company's Board of Directors out of legally available funds. If there is a liquidation, dissolution or winding up of the Company, holders of the Company's common stock would be entitled to share in the Company's assets remaining after the payment of liabilities and any preferential rights of any outstanding preferred stock. Holders of the Company's common stock have no preemptive or conversion rights or other subscription rights, and there are no redemption or sinking fund provisions applicable to the common stock. All outstanding shares of the Company's common stock will be fully paid and non-assessable. The rights, preferences and privileges of the holders of the Company's common stock are subject to, and may be adversely affected by, the rights of the holders of shares of any series of preferred stock which the Company may designate and issue in the future. Treasury Stock As of July 31, 2021 and January 31, 2021, the Company had 6,505,334 shares of treasury stock which are carried at its cost basis of $11.9 million on the Company's condensed consolidated balance sheets.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -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=120397183&loc=d3e187085-122770 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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