Revenue Recognition (Details) - Receivables, contracts assets and contract liabilities from revenue contracts with customers - USD ($)	Mar. 31, 2019	Jan. 01, 2019
Contract Assets:
Short-term contract assets	$ 11,466
Long-term contract assets	32,473
Contract Liabilities:
Short-term contract liabilities	281,820	288,709
Long-term contract liabilities	223,623	234,587
Receivables:
Receivables accounted for under ASC 606	2,708,215	3,311,629
Subsidy Receivables not accounted for under ASC 606	678,174	$ 678,174
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Contract Assets:
Short-term contract assets	11,466
Long-term contract assets	32,473
Contract Liabilities:
Short-term contract liabilities	(6,889)
Long-term contract liabilities	(10,964)
Receivables:
Receivables accounted for under ASC 606	(603,414)
Subsidy Receivables not accounted for under ASC 606