Summary of Significant Accounting Policies (Details 1)	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Sales [Member]
Percentage of Sales	75.60%	74.50%	74.70%	73.80%
Sales [Member] \| Customer 1 [Member]
Percentage of Sales	35.10%	37.70%	33.20%	35.60%
Sales [Member] \| Customer 2 [Member]
Percentage of Sales	30.00%	26.00%	29.40%	27.70%
Sales [Member] \| Customer 3 [Member]
Percentage of Sales	10.50%	10.80%	12.10%	10.50%
Receivables [Member]
Percentage of Sales			58.90%	64.50%
Receivables [Member] \| Customer 1 [Member]
Percentage of Sales			30.50%	38.30%
Receivables [Member] \| Customer 2 [Member]
Percentage of Sales			28.40%	26.20%

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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