Long term loan and other non-current liabilities (Schedule of Long-term Loan and Other Long-term Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Long term loan and other non-current liabilities.
Long-term loan less current maturities of long-term loan	$ 2,321	$ 2,535	$ 2,792
Contingent consideration	974	2,439
Accrued rent	453	454	364
Accrual for uncertain tax positions	184	184	124
Long-term loan and long-term liabilities	$ 3,932	$ 5,612	$ 3,280

Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for contractual rent under lease arrangements.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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- References

No definition available.

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- Definition

Amount of obligation due after one year or beyond the normal operating cycle, if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount recognized for uncertainty in income taxes classified as noncurrent.

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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

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