XML 55 R38.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Stock-Based Compensation (Details 7) | 12 Months Ended
--- | ---
Dec. 31, 2015 $ / shares shares
Exercise Price 1.60 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise Price | $ / shares | $ 1.60
Warrants Outstanding | 311,834
Warrants Exercisable | 311,834
Weighted Average Remaining Contractual Life | 1 year 9 months 25 days
Exercise Price 1.75 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise Price | $ / shares | $ 1.75
Warrants Outstanding | 7,029,808
Warrants Exercisable | 7,029,808
Weighted Average Remaining Contractual Life | 3 years 9 months 11 days
Exercise Price 2.22 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise Price | $ / shares | $ 2.22
Warrants Outstanding | 517,257
Warrants Exercisable | 517,257
Weighted Average Remaining Contractual Life | 10 months 28 days
Exercise Price 3.75 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise Price | $ / shares | $ 3.75
Warrants Outstanding | 50,000
Warrants Exercisable | 50,000
Weighted Average Remaining Contractual Life | 1 month 17 days
Exercise Price 1.79 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise Price | $ / shares | $ 1.79
Warrants Outstanding | 7,908,899
Warrants Exercisable | 7,908,899
Weighted Average Remaining Contractual Life | 3 years 5 months 26 days

X
- Definition The value as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the share warrants plan. + References No definition available. + Details
Name: | syn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWarrantsExercisableNumber
Namespace Prefix: | syn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Exercise price of the warrants. + References No definition available. + Details
Name: | syn_WarrantsExercisePrice
Namespace Prefix: | syn_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RangeAxis=syn_ExercisePrice1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=syn_ExercisePrice2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=syn_ExercisePrice3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=syn_ExercisePrice4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=syn_ExercisePrice5Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |