Operation lease and other commitment (Tables)

3 Months Ended

Mar. 31, 2019

Operation Lease And Other Commitment Tables Abstract

Operating lease right-of-use assets

(amounts in dollars)	Operation lease right-of-use asset
Balances as of January 1, 2019	$	393,110
Accumulated amortization		(64,081	)
Balances as of March 31, 2019	$	329,029

Operating lease liability

(amounts in dollars)	Lease liability due within one year			Lease liability long-term			Total
Balances as of January 1, 2019	$	86,061		$	318,716		$	404,777
Repayments of lease liability		(20,626	)		(39,408	)		(60,034	)
Other					1,760			1,760
Balances as of March 31, 2019	$	65,435		$	281,068		$	346,503