Revenue Recognition (Details) - Company`s receivables and contract liabilities with customers - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Revenue Recognition (Details) - Company`s receivables and contract liabilities with customers [Line Items]
Gross receivables	$ 2,564,000	$ 3,124,000
Allowance for bad debts	809,000	743,000
Net receivables	1,755,000	2,381,000
Contract liabilities	$ 921,000	$ 230,000

No definition available.

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- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

+ References

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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Amount of allowance for credit loss on accounts receivable.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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