Other Current Assets (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Other Current Assets
Due from escrow account	$ 1,146,435	$ 472,788
Loans to others	4,000
Security deposit	3,500	13,500
Capitalized portion of lease	2,380	2,951
Prepaid expenses	50,207	5,248
Miscellaneous receivable	334,539	334,509
Other current asset	$ 1,541,061	$ 828,996