Condensed Consolidated Balance Sheets - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Current assets
Cash	$ 7,564,504	$ 1,630,022
Accounts receivable-trade, net	7,448,095	6,370,412
Accounts receivable - trade, related party		40,571
Alternative fuels tax credit receivable		267,943
Due from related party	402,058
Prepaids and other current assets	1,520,732	287,913
Total current assets	16,935,389	8,596,861
Non-current assets
Property, equipment, and land, net	24,252,468	7,603,862
Goodwill	11,423,431	2,887,281
Intangibles, net	5,404,931	3,036,739
Right-of-use-assets	11,552,596
Deposits and other long-term assets	976,468	525,863
Total non-current assets	53,609,894	14,053,745
Total assets	70,545,283	22,650,606
Current liabilities
Line-of-credit		316,589
Accounts payable	7,112,878	2,751,275
Accounts payable - related party		337,345
Accrued expenses	7,287,128	5,073,317
Accrued interest - related party	1,230,531	922,471
Advances from related parties	286,929	324,429
Advances under factoring arrangement	14,759,305	5,331,020
Current portion of long-term debt	7,189,373	269,239
Current portion promissory note – stockholders	2,632,889	2,386,778
Senior promissory note - related party	3,800,000	3,800,000
Promissory note - related party	4,000,000
Subordinated convertible senior notes payable to stockholders	75,000	75,000
Finance lease liabilities, current portion	390,948
Operating lease liabilities, current portion	2,662,506
Derivative liability		11,243
Total current liabilities	51,427,487	21,598,706
Non-current liabilities
Long-term debt, less current portion	7,424,838	1,063,559
Promissory note - stockholder, less current portion	6,407,000
Promissory note - related party		4,000,000
Convertible promissory notes - related parties, less unamortized debt discount of $7,296,219 (June 30, 2019) and $7,495,295 (December 31, 2018)	2,203,781	2,004,705
Secured convertible promissory notes, less unamortized debt discount of $406,328 (June 30, 2019) and $591,598 (December 31, 2018) and net of debt issuance costs of $284,368 (June 30, 2019) and $415,614 (December 31, 2018)	3,400,289	3,032,418
Finance lease liabilities, less current portion	437,732
Operating lease liabilities, less current portion	7,697,430
Fuel discount advance	975,296	977,698
Total non-current liabilities	28,546,366	11,078,380
Total liabilities	79,973,853	32,677,086
Commitments and contingencies (Note 10)
Redeemable preferred stock
Series A Redeemable Preferred stock, $0.0001 par value; 10,000,000 shares authorized, 100,000 issued and outstanding at June 30, 2019 and December 31, 2018, including accrued and undeclared dividends $26,459 (June 30, 2019) and $17,227 (December 31, 2018) liquidation preference $260,459 (June 30, 2019)	260,459	251,227
Stockholders' deficit
Common stock, $0.0001 par value; 100,000,000 shares authorized; 3,709,696 (June 30, 2019) and 2,258,530 (December 31, 2018) shares issued and outstanding	371	226
Common stock subscribed and not yet issued, 6,800,000 (June 30, 2019) and 500,000 (December 31, 2018)	13,684,800	415,000
Additional paid-in capital	11,749,004	9,976,339
Accumulated deficit	(35,123,204)	(20,669,272)
Total stockholders' deficit	(9,689,029)	(10,277,707)
Total liabilities, redeemable preferred stock, and stockholders' deficit	$ 70,545,283	$ 22,650,606