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Leases (Details Textual) | 9 Months Ended
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Sep. 30, 2020 USD ($)
Lessee, Lease, Description [Line Items] |
Leases, description | <span style="border-left: none; border-right: none;">The leases have remaining lease terms of <span style="border-left: none; border-right: none;"><span style="border-left: none; border-right: none; line-height: inherit;"><span style="border-left: none; border-right: none;"><span style="border-right: none; border-left: none;">two</span></span></span> and a half years</span> to five years.</span> The plant lease includes an option to extend the lease for up to <span style="border-left: none; border-right: none;"><span style="border-right: none; border-left: none;"><span style="border-right: none; border-left: none;">five</span></span></span> years.
Operating lease for office space | $ 1,683,000

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- 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_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of cash outflow from operating lease to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
Name: | us-gaap_OperatingLeasePaymentsUse
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition This element represents the description of a lease related indemnification agreement including the nature of the indemnification, the maximum potential amount of future payments the indemnification agreement could be required to make under the agreement, the current carrying amount of the liability and the nature of any recourse provision that would enable the lessee guarantor) to recover from third parties any of the amounts paid under the agreement and any assets held either as collateral or by third parties that upon occurrence of any triggering event or condition under the indemnification agreement the guarantor can obtain and liquidate to recover all or a portion of the amounts paid under the indemnification agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248 + Details
Name: | us-gaap_OperatingLeasesIndemnificationAgreementsDescription
Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration