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Stock-Based Compensation and Warrants - Options outstanding and exercisable (Details) | 12 Months Ended
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Dec. 31, 2019 $ / shares shares
Range of Exercise Price 0.00-40.00 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Outstanding, Range of Exercise Price Lower | $ 0.00
Options Outstanding, Range of Exercise Price Upper | $ 40.00
Options Outstanding, Options | shares | 2,431,708
Options Outstanding, Weighted Average Exercise Price | $ 1.38
Options Outstanding, Weighted Average Remaining Contractual Life | 6 years 6 months 29 days
Options Exercisable, Options | shares | 288,645
Options Exercisable, Weighted Average Exercise Price | $ 7.56
Options Exercisable, Weighted Average Remaining Contractual Life | 5 years 5 months 16 days
Range of Exercise Price 41.00-70.00 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Outstanding, Range of Exercise Price Lower | $ 41.00
Options Outstanding, Range of Exercise Price Upper | $ 70.00
Options Outstanding, Options | shares | 8,364
Options Outstanding, Weighted Average Exercise Price | $ 50.29
Options Outstanding, Weighted Average Remaining Contractual Life | 3 years 7 months 6 days
Options Exercisable, Options | shares | 8,364
Options Exercisable, Weighted Average Exercise Price | $ 50.29
Options Exercisable, Weighted Average Remaining Contractual Life | 3 years 7 months 6 days
Range Of Exercise Price 71.09-102.00 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options Outstanding, Range of Exercise Price Lower | $ 71.00
Options Outstanding, Range of Exercise Price Upper | $ 102.00
Options Outstanding, Options | shares | 61,940
Options Outstanding, Weighted Average Exercise Price | $ 85.02
Options Outstanding, Weighted Average Remaining Contractual Life | 4 years 26 days
Options Exercisable, Options | shares | 61,940
Options Exercisable, Weighted Average Exercise Price | $ 85.02
Options Exercisable, Weighted Average Remaining Contractual Life | 4 years 26 days

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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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 (c)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the 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 (e)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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