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Revenue Recognition - Schedule of Revenue Disaggregated by Revenue Sources (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Total Revenue	$ 35,146	$ 16,884	$ 16,274	$ 13,611	$ 11,491	$ 13,385	$ 14,809	$ 13,379	$ 81,915	$ 53,064	$ 40,958
Products [Member]
Total Revenue	16,462	11,062	10,643	7,249	7,171	9,044	10,784	9,898	45,416	36,897	23,552
Services [Member]
Total Revenue	$ 18,684	$ 5,822	$ 5,631	$ 6,362	$ 4,320	$ 4,341	$ 4,025	$ 3,481	$ 36,499	$ 16,167	$ 17,406

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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