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Leases - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
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Dec. 31, 2019 | Jun. 30, 2019
Lessee Lease Description [Line Items] |  |
Operating lease description | The Company leases office space and equipment, and certain office space is subleased. Management determines if a contract is a lease at the inception of the arrangement and reviews all options to extend, terminate, or purchase its right-of-use assets at the inception of the lease and accounts for these options when they are reasonably certain of being exercised. |
Right-of-use assets | $ 6,464 |
Lease liabilities | 6,995 |
PA |  |
Lessee Lease Description [Line Items] |  |
Right-of-use assets |  | $ 3,000
Lease liabilities |  | 3,000
CA |  |
Lessee Lease Description [Line Items] |  |
Right-of-use assets |  | 1,500
Lease liabilities |  | $ 1,500
Serbia |  |
Lessee Lease Description [Line Items] |  |
Right-of-use assets | 200 |
Lease liabilities | $ 200 |

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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
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- Definition Description of lessee's operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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