Long Term Debt (Details Textual)	1 Months Ended	3 Months Ended
	Sep. 26, 2017 USD ($)	Mar. 31, 2019 USD ($) Installments	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Industrial Development Bond Financing [Member]
Long Term Debt (Textual)
Term loan, description		The $4,500,000 proceeds of the Bond sale, approximately $2,343,000 has been applied to reimburse Kinpak for Expansion Project expenditures and approximately $54,000 was paid directly to other parties for certain transaction costs.
Lender's purchase of industrial development bond	$ 4,500,000
Repurchase price of facilities if bond has been redeemed or fully paid		$ 1,000
Bond redemptions, description		The Bond bears interest at the rate of 3.07% per annum, calculated on the basis of a 360-day year and the actual number of days elapsed (subject to increase to 6.07% per annum upon the occurrence of an event of default), and is payable in 118 monthly installments of $31,324 beginning on November 1, 2017 and ending on August 1, 2027, with a final principal and interest payment to be made on September 1, 2027 in the amount of $1,799,201.
Number of installments | Installments		118
Proceeds of the bond sale	$ 4,500,000
Payments for debt issuance costs		$ 196,095
Financial covenants under credit agreement, description		The Company is subject to certain covenants, including financial covenants requiring that the Company maintain (i) a minimum fixed charge ratio (generally, the ratio of (A) EBITDA minus the sum of Company's distributions to its shareholders, taxes paid and unfunded capital expenditures to (B) current maturities of Company long-term debt plus interest expense) of 1.2 to 1, tested quarterly, and (ii) a ratio of funded debt (as defined in the guaranty agreement) divided by the sum of net worth and funded debt of 0.75 to 1, tested quarterly. For purposes of computing the fixed charge coverage ratio, "EBITDA" generally is defined as net income before taxes and depreciation expense plus amortization expense, plus interest expense, plus non-recurring and/or non-cash losses and expenses, minus non-recurring and/or non-cash gains and income; "unfunded capital expenditures" generally is defined as capital expenditures made from Company funds other than funds borrowed through term debt incurred to finance such capital expenditures.
Other Long Term Obligations [Member]
Long Term Debt (Textual)
Aggregate equipment lease		$ 43,000		$ 31,000
Maturity period for capital lease		Maturities through 2024
Percentage of interest rates		2.00%		4.00%
Promissory note, description		The Company's agreement to purchase the assets of Snappy Marine on July 13, 2018, the Company provided to Snappy Marine a promissory note in the amount of $1,000,000, including interest (of the $1,000,000 amount of the promissory note, $930,528 was recorded as principal, and the remaining $69,472, representing an imputed interest rate of 2.87% per annum, is being recorded as interest expense over the term of the note).
Monthly installment		$ 16,667
Debt payment, terms		Over a 60 month period that commenced on August 1, 2018, with a final payment due and payable on July 1, 2023.
Payments of lease agreement		$ 5,200	$ 5,200
Principal under lease agreement		5,000	5,000
Interest under lease agreement		$ 200	$ 200