v3.19.3

Note 10 - Stock Options (Details Textual) - USD ($) |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
May 03, 2019 | Jun. 30, 2019 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  |  |  |  | 0 | 0 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance |  | 748,000 | 748,000 |  | 19,222 | 19,222 | 19,222
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount |  |  |  |  | $ 531,000 |  |
Non-employee Stock Options, Comensation Expense, Cost Not yet Recognized, Amount |  |  |  |  | $ 48,000 |  |
Non-employee Stock Options, Comensation Expense, Cost Not yet Recognized, Period for Recognition |  |  |  |  | 270 days |  |
Common Stock, Capital Shares Reserved for Future Issuance |  |  |  |  | 19,222 | 19,222 |
Share Price |  |  |  |  | $ 64.07 | $ 61.28 |
Share-based Payment Arrangement, Option [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |  | 0 | 0 |  |  |  |
Share-based Payment Arrangement, Expense |  |  | $ 136,000 | $ 150,000 | $ 293,000 | $ 301,000 |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total |  | $ 395,000 | $ 395,000 |  |  |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition |  |  | 1 year 182 days |  | 2 years |  |
Non-employee Options [Member] |  |  |  |  |  |  |
Share-based Payment Arrangement, Expense |  |  | $ 32,000 | $ 0 | $ 16,000 | $ 0 |
Non-employee Stock Options, Comensation Expense, Cost Not yet Recognized, Amount |  | $ 16,000 | $ 16,000 |  |  |  |
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition |  |  | 90 days |  |  |  |
Alliqua Biomedical, Inc. [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance | 57,822 |  |  |  |  |  |
Minimum [Member] | Alliqua Biomedical, Inc. [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Price | $ 21.00 |  |  |  |  |  |
Maximum [Member] | Alliqua Biomedical, Inc. [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Price | $ 656.40 |  |  |  |  |  |
Alliqua Biomedical, Inc. [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 690,058 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance |  | 11,000 | 11,000 |  |  |  |
Alliqua Biomedical, Inc. [Member] | Minimum [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Price | $ 1.11 |  |  |  |  |  |
Alliqua Biomedical, Inc. [Member] | Maximum [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercise Price | $ 3.06 |  |  |  |  |  |
The Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Minimum Price as Percentage of Estimated Fair Value of Underlying Shares |  |  |  |  | 100.00% |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Minimum Price as Percentage of Estimated Fair Value of Underlying Shares, 10% Shareholder |  |  |  |  | 110.00% |  |
The Plan [Member] | Share-based Payment Arrangement, Option [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period |  |  |  |  | 10 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |  |  |  |  | 4 years |  |

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- Definition Represents the amount of unrecognized stock-based compensation expense related to unvested non-employees stock options. + References No definition available. + Details
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- Definition Represents the period over which unrecognized stock-based compensation expense related to unvested non-employee stock options is expected to be recognized. + References No definition available. + Details
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- Definition Represents the minimum price of options as a percentage of the estimated fair value of the underlying shares of common stock on the date of grant as determined by the board of directors. + References No definition available. + Details
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- Definition Represents the minimum price, for ten percent shareholders, of options as a percentage of the estimated fair value of the underlying shares of common stock on the date of grant as determined by the board of directors. + References No definition available. + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for option 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 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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