Fair Value Measurement (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bank deposits	$ 2,261,474	$ 1,352,541
Money market funds	53,159	53,285
Cash and cash equivalents	2,314,633	1,405,826
Total	2,314,633	1,405,826
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bank deposits	2,261,474	1,352,541
Money market funds	53,159	53,285
Cash and cash equivalents	2,314,633	1,405,826
Total	2,314,633	1,405,826
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Bank deposits	0	0
Money market funds	0	0
Cash and cash equivalents	0	0
Total	$ 0	$ 0