Restricted Common Stock (Details) - 2014 Restricted Stock Plan [Member] - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	May 06, 2014
Class of Stock [Line Items]
Shares authorized per plan					100,000
Shares granted			57,655
Allocated share-based compensation expense	$ 90,000	$ 74,000	$ 250,000	$ 187,000
Shares forfeited and available for reissuance			2,346
Restricted shares vested during period			27,270
Granted shares unvested	28,039		28,039
Shares forfeited, due to voluntary termination of an employee			0	490