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5. Commitments and Contingencies (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2019	$ 712
2020	430
2021	210
2022	35
Total	$ 1,387

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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
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Future rental payments receivable within one year of the balance sheet date under an operating lease.

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Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

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