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Debt - Additional Information (Details) - USD ($)	3 Months Ended
Debt - Additional Information (Details) - USD ($)	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Debt Instrument [Line Items]
Short-term debt	$ 347,778		$ 398,595
Interest expense, debt	56,444	$ 57,846
Due in 2019 [Member]
Debt Instrument [Line Items]
Debt instrument, annual principal payment	333,000
Due in 2020 [Member]
Debt Instrument [Line Items]
Debt instrument, annual principal payment	333,000
Due in 2021 [Member]
Debt Instrument [Line Items]
Debt instrument, annual principal payment	333,000
MGHIF Financing Agreement [Member]
Debt Instrument [Line Items]
Short-term debt	333,000		333,000
Long-term debt, outstanding	494,000		660,000
Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Short-term debt	$ 14,000		$ 65,000