Stockholders' Equity (Narrative) (Details) - USD ($)			1 Months Ended				5 Months Ended	12 Months Ended
	Aug. 15, 2016	Mar. 10, 2015	Nov. 30, 2017	Mar. 28, 2017	Jan. 31, 2017	Dec. 30, 2016	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Preferred Stock, par value per share							$ 0.0001	$ 0.0001	$ 0.0001
Preferred stock, shares authorized							10,000,000	10,000,000	10,000,000
Preferred stock, shares issued							0	0	0
Preferred stock, shares outstanding							0	0	0
Minimum net proceeds from public offering for automatic conversion								$ 15,000,000
Shares issuable upon conversion of preferred stock								0.4348
Issuance of preferred stock, shares								575,000	910,000
Common stock, par value per share							$ 0.0002	$ 0.0002	$ 0.0002
Common stock, shares authorized							100,000,000	100,000,000	100,000,000
Common stock, shares issued							2,620,439	4,200,310	2,620,439
Common stock, shares outstanding							2,620,439	4,200,310	2,620,439
Shares issued for initial public offering		1,640,000
Additional shares issued for initial public offering		246,000
Price per share		$ 6.50
Proceeds from initial public offering, net		$ 11,100,000
Stock based compensation								$ 689,130	$ 582,630
Restricted stock granted									190,151
Proceeds from sale of common stock								$ 2,463,180	$ 7,082,526
Proceeds from exercise of warrants									$ 3,863,429
Reverse stock split								1-for-10
Reduce number of issued and outstanding common stock							42,000,000	4,200,000	42,000,000
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Price per share								$ 2.10
Preferred stock, dividend amount per share								$ 4.83
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, dividend rate								5.00%
Series B1 Preferred Stock [Member]
Class of Stock [Line Items]
Price per share								$ 2.67
Preferred stock, dividend amount per share								6.14
Preferred stock, liquidation preference								6.14
Series B2 Preferred Stock [Member]
Class of Stock [Line Items]
Price per share								5.00
Preferred stock, dividend amount per share								11.50
Preferred stock, liquidation preference								11.50
Underwriting Agreement [Member]
Class of Stock [Line Items]
Price per share								$ 4.30
Proceeds from sale of common stock								$ 2,400,000
Number of shares sold								39,255
Underwriting Agreement [Member]
Class of Stock [Line Items]
Price per share								$ 8.00
Proceeds from sale of common stock								$ 4,100,000
Number of shares sold			581,395	500,000				75,000
Sales Agreement [Member]
Class of Stock [Line Items]
Proceeds from sale of common stock							$ 6,800,000	$ 2,300,000
Commission rate percentage	3.00%
Number of shares sold							479,138	234,858
Commissions and other expenses							$ 300,000
Restricted Stock [Member] | Chief Executive Officer [Member]
Class of Stock [Line Items]
Restricted stock granted					42,850	7,500
Vested restricted stock					10,713	1,875
Restricted Stock [Member] | Employees [Member]
Class of Stock [Line Items]
Stock based compensation					$ 169,517	$ 24,278
Restricted stock granted						500
Restricted Stock [Member] | Non Employees [Member]
Class of Stock [Line Items]
Stock based compensation								$ 31,000	$ 27,996
Restricted Stock [Member] | Vesting immediately [Member]
Class of Stock [Line Items]
Vesting percentage						25.00%