Acquisitions (Details) - USD ($)	Jan. 04, 2019	Jun. 30, 2019	Dec. 31, 2018
Assets acquired
Trade name		$ 2,156,000	$ 546,000
Customer relationships		3,873,730	2,743,730
Goodwill		$ 11,423,431	$ 2,887,281
Sheehy Note [Member]
Assets acquired
Accounts receivable - trade	$ 375,951
Accounts receivable - fuel tax credit	30,397
Prepaid expenses	464,462
Property and equipment	4,128,926
Other long-term assets	2,750
Due from related parties	252,058
Trade name	310,000
Customer relationships	410,000
Non-competition agreement	80,000
Goodwill	4,065,326
Total assets acquired	10,119,870
Liabilities assumed
Accounts payable	(2,907,594)
Accrued expenses	(1,240,597)
Long-term debt	(2,639,146)
Finance lease	(1,047,733)
Total liabilities assumed	(7,835,070)
Net assets acquired	2,284,800
Consideration paid
Fair value of 2,240,000 shares of common stock issuable	2,284,800
Total	$ 2,284,800