Debt and Warrants (Details)								1 Months Ended					2 Months Ended	3 Months Ended		12 Months Ended		15 Months Ended
	Dec. 23, 2014 USD ($) item $ / shares shares	Dec. 03, 2014 USD ($) $ / shares	Oct. 30, 2014 USD ($) item	Jul. 16, 2014 USD ($) $ / shares shares	Jun. 26, 2014 USD ($) $ / shares shares	Jun. 26, 2014 USD ($) $ / shares shares	Jun. 02, 2014 USD ($) item $ / shares shares	May. 31, 2015 USD ($) shares	Mar. 31, 2015 USD ($) $ / shares shares	Feb. 28, 2015 USD ($) item	Aug. 31, 2014 USD ($) $ / shares shares	Feb. 28, 2014 USD ($) $ / shares shares	Feb. 28, 2014 USD ($) $ / shares	Mar. 31, 2015 USD ($) $ / shares shares	Sep. 30, 2013 USD ($) item shares	Dec. 31, 2014 USD ($) shares		Mar. 31, 2015 USD ($) $ / shares shares	May. 13, 2015 $ / shares
Convertible Promissory Notes and Common Stock Warrants
Gross aggregate proceeds														$ 250,000
Exercise price (in dollars per share) | $ / shares											$ 6.40
Strike price (in dollars per share) | $ / shares											$ 8.00
Volatility (as a percent)											52.00%
Dividend yield (as a percent)											0.00%
Risk-free interest rate (as a percent)											0.52%
Net amount of Notes									$ 786,150					$ 786,150		$ 424,674	[1]	$ 786,150
Transfer Agreement | Manufacturer
Convertible Promissory Notes and Common Stock Warrants
Number of warrants issued to purchase shares of common stock (in shares) | shares					16,666	16,666
Exercise price (in dollars per share) | $ / shares									$ 6.30					$ 6.30				$ 6.30
Exercise price as a percentage of initial public offering price					90.00%	90.00%
Series A redeemable convertible preferred stock
Convertible Promissory Notes and Common Stock Warrants
Issuance of convertible preferred stock (in shares) | shares												2,224,991				3,015,902
Original issue price (in dollars per share) | $ / shares												$ 2.2472	$ 2.2472
Warrants | Transfer Agreement | Manufacturer
Convertible Promissory Notes and Common Stock Warrants
Exercise price (in dollars per share) | $ / shares									6.30					6.30				6.30
Term					5 years
Warrants | Common Stock | Transfer Agreement | Manufacturer
Convertible Promissory Notes and Common Stock Warrants
Number of warrants issued to purchase shares of common stock (in shares) | shares					16,666	16,666
Exercise price (in dollars per share) | $ / shares					$ 4.35	$ 4.35
Fair value of warrants					$ 37,840	$ 37,840
Strike price (in dollars per share) | $ / shares					$ 4.83	$ 4.83
Term						5 years
Volatility (as a percent)					49.00%
Dividend yield (as a percent)					0.00%
Risk-free interest rate (as a percent)					1.64%
Exercise price as a percentage of initial public offering price					90.00%	90.00%
Standby bridge financing agreement
Convertible Promissory Notes and Common Stock Warrants
Exercise price (in dollars per share) | $ / shares		$ 5.23
Fair value of warrants		$ 505,348
Strike price (in dollars per share) | $ / shares		$ 5.01
Term		5 years	6 months
Volatility (as a percent)		63.00%
Dividend yield (as a percent)		0.00%
Risk-free interest rate (as a percent)		1.61%
Aggregate principal amount of bridge financing			$ 1,000,000
Debt discount			$ 605,348
Number of lenders | item			2
Standby bridge financing agreement | IPO
Convertible Promissory Notes and Common Stock Warrants
Exercise price (in dollars per share) | $ / shares									$ 5.60					$ 5.60				$ 5.60
Standby bridge financing agreement | Subsequent event
Convertible Promissory Notes and Common Stock Warrants
Interest Paid								$ 321,600
Standby bridge financing agreement | Interest Expense.
Convertible Promissory Notes and Common Stock Warrants
Term			6 months
Debt discount			$ 100,000
Amortization of debt discount									$ 305,272
Additional financing costs			$ 104,000						49,555					$ 49,555				$ 49,555
Standby bridge financing agreement | Scenario, Forecast
Convertible Promissory Notes and Common Stock Warrants
Exercise price as a percentage of initial public offering price			80.00%
Value to be divided by IPO exercise price to determine number of warrants granted									$ 1,000,000					$ 1,000,000				$ 1,000,000
Convertible promissory notes
Convertible Promissory Notes and Common Stock Warrants
Number of convertible promissory notes issued | item															4
Number of Accredited Investors | item										2
Gross aggregate proceeds															$ 525,000
Interest rate (as a percent)															8.00%
Number of business days after the date of consummation of the initial closing of a first equity round of financing, when the debt instrument is due															10 days
Pre-money valuation threshold amount															$ 3,000,000
Aggregate principal amount										$ 250,000
Amortization of debt discount												$ 4,071	$ 1,443
Net amount of Notes															518,105
Number of shares issued for notes converted | shares												207,664
Principal and interest paid on debt								103,912
Retirement of convertible promissory notes								$ (100,000)
Convertible promissory notes | Interest Expense.
Convertible Promissory Notes and Common Stock Warrants
Debt discount															$ 6,895
Convertible promissory notes | Dechra Pharmaceuticals PLC
Convertible Promissory Notes and Common Stock Warrants
Interest rate (as a percent)									12.00%					12.00%				12.00%
Number of warrants issued to purchase shares of common stock (in shares) | shares									89,285					89,285				89,285
Exercise price (in dollars per share) | $ / shares									$ 5.60					$ 5.60				$ 5.60
Investment Warrants Expiration Date									Dec. 31, 2017
Aggregate principal amount									$ 1,000,000					$ 1,000,000				$ 1,000,000
Convertible promissory notes | Dechra Pharmaceuticals PLC | IPO
Convertible Promissory Notes and Common Stock Warrants
Exercise price (in dollars per share) | $ / shares																			$ 5.60
Convertible promissory notes | Dechra Pharmaceuticals PLC | Scenario, Forecast
Convertible Promissory Notes and Common Stock Warrants
Number of shares issued for notes converted | shares								178,571
Convertible promissory notes | Warrants | Common Stock
Convertible Promissory Notes and Common Stock Warrants
Number of warrants issued to purchase shares of common stock (in shares) | shares															207,664
Warrant term															5 years
Exercise price as a percentage of purchase price paid by equity investors when pre-money valuation threshold amount is achieved															75.00%
Exercise price as a percentage of purchase price paid by equity investors												75.00%
Minimum pre-money valuation amount												$ 3,000,000	$ 3,000,000
Exercise price (in dollars per share) | $ / shares												$ 2.5281	$ 2.5281
Fair value of warrants												$ 6,895	$ 6,895
Strike price (in dollars per share) | $ / shares												$ 2.5281	$ 2.5281
Term												5 years
Volatility (as a percent)												64.00%
Dividend yield (as a percent)												0.00%
Risk-free interest rate (as a percent)												1.82%
Convertible note purchase agreement
Convertible Promissory Notes and Common Stock Warrants
Number of Accredited Investors | item	3						2
Gross aggregate proceeds	$ 650,000
Interest rate (as a percent)	12.00%			3.00%			3.00%
Number of business days after the date of consummation of the initial closing of a first equity round of financing, when the debt instrument is due	30 days
Number of warrants issued to purchase shares of common stock (in shares) | shares	58,035
Exercise price (in dollars per share) | $ / shares	$ 4.15								$ 5.60					$ 5.60				$ 5.60
Fair value of warrants	$ 147,943
Strike price (in dollars per share) | $ / shares	$ 4.59
Conversion price (in dollars per share) | $ / shares				$ 5.60			$ 5.60
Volatility (as a percent)	49.00%
Dividend yield (as a percent)	0.00%
Risk-free interest rate (as a percent)	1.10%
Aggregate principal amount				$ 150,000			$ 300,000
Amortization of debt discount														$ 60,528
Number of shares issued for notes converted | shares				26,785			53,571
Aggregate principal amount issued to board member to which Series A preferred stock was sold	$ 250,000						$ 200,000
Beneficial conversion feature	$ 502,057			$ 37,500			75,000
Convertible note purchase agreement | IPO
Convertible Promissory Notes and Common Stock Warrants
Strike price (in dollars per share) | $ / shares									5.60					$ 5.60				5.60
Number of shares issued for notes converted | shares	116,070
Exercise price as a percentage of initial public offering price	80.00%
Convertible note purchase agreement | Interest Expense.
Convertible Promissory Notes and Common Stock Warrants
Amortization of debt discount														$ 10,614
Beneficial conversion feature							$ 18,720							$ 208,220
Line of credit and loan agreement
Convertible Promissory Notes and Common Stock Warrants
Number of warrants issued to purchase shares of common stock (in shares) | shares											33,333
Exercise price (in dollars per share) | $ / shares									$ 5.60					$ 5.60				$ 5.60
Fair value of warrants											$ 114,300
Term											2 years
Exercise price as a percentage of initial public offering price											80.00%
Drawdown amount																		$ 0
Line of credit and loan agreement | Maximum
Convertible Promissory Notes and Common Stock Warrants
Stand-by line of credit											$ 1,000,000

[1] The condensed balance sheet at December 31, 2014 is derived from the audited financial statements at that date included in the Company's prospectus filed with the Securities and Exchange Commission pursuant to rule 424 (b)(4)on May 14, 2015.