For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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.

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Segment Reporting and Concentrations - Additional information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Operating Lease, Right-of-Use Asset	$ 7,271		$ 7,271		$ 0
Revenues	$ 13,846	$ 14,049	$ 41,179	$ 42,439
Foreign Customer [Member] \| Sales Revenue, Net [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	57.00%	54.00%	54.00%	57.00%
Foreign Customer [Member] \| Accounts Receivable [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage			59.00%		57.00%
Two clients [Member] \| Sales Revenue, Net [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	25.00%	29.00%	26.00%	30.00%
Three Clients [Member] \| Accounts Receivable [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage			43.00%		48.00%
Client [Member] \| Accounts Receivable [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	10.00%	10.00%	10.00%