Debt and Warrants (Details)								1 Months Ended						2 Months Ended	3 Months Ended	6 Months Ended	9 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	Aug. 31, 2015 USD ($)	May. 31, 2015 USD ($) 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	Sep. 30, 2013 USD ($) item shares	Jun. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($) shares		Mar. 31, 2015 USD ($) $ / shares shares	Aug. 01, 2018 USD ($)	Mar. 01, 2016	May. 13, 2015 $ / shares
Debt, Convertible Promissory Notes and Common Stock Warrants
Gross aggregate proceeds																	$ 1,250,000	$ 450,000
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																	150,000		$ 424,674	[1]
Interest Paid																	23,100
Proceeds required to be maintained in cash																	4,500,000
Transfer Agreement | Manufacturer
Debt, 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
Exercise price as a percentage of initial public offering price					90.00%	90.00%
Series A redeemable convertible preferred stock
Debt, 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
Debt, Convertible Promissory Notes and Common Stock Warrants
Exercise price (in dollars per share) | $ / shares										$ 6.30											$ 6.30
Term						5 years
Warrants | Common Stock | Transfer Agreement | Manufacturer
Debt, 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
Debt, 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
Exercise price as a percentage of initial public offering price			80.00%
Number of lenders | item			2
Interest Paid									$ 321,600
Value to be divided by IPO exercise price to determine number of warrants granted										$ 1,000,000											$ 1,000,000
Standby bridge financing agreement | IPO
Debt, Convertible Promissory Notes and Common Stock Warrants
Exercise price (in dollars per share) | $ / shares										$ 5.60											$ 5.60
Standby bridge financing agreement | Interest Expense.
Debt, Convertible Promissory Notes and Common Stock Warrants
Term			6 months
Debt discount			$ 100,000
Amortization of debt discount										$ 521,291
Additional financing costs			$ 104,000														86,667
Convertible promissory notes
Debt, 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
Debt Instrument, Interest Rate, Stated Percentage															8.00%
Convertible promissory notes | Interest Expense.
Debt, Convertible Promissory Notes and Common Stock Warrants
Debt discount															$ 6,895
Convertible promissory notes | Dechra Pharmaceuticals PLC
Debt, Convertible Promissory Notes and Common Stock Warrants
Interest rate (as a percent)										12.00%											12.00%
Number of warrants issued to purchase shares of common stock (in shares) | shares										89,285											89,285
Exercise price (in dollars per share) | $ / shares										$ 5.60											$ 5.60
Investment Warrants Expiration Date										Dec. 31, 2017
Aggregate principal amount										$ 1,000,000											$ 1,000,000
Number of shares issued for notes converted | shares									178,571
Debt Instrument, Interest Rate, Stated Percentage										12.00%											12.00%
Convertible promissory notes | Dechra Pharmaceuticals PLC | IPO
Debt, Convertible Promissory Notes and Common Stock Warrants
Exercise price (in dollars per share) | $ / shares																								$ 5.60
Convertible promissory notes | Warrants | Common Stock
Debt, 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
Debt, 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
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
Term	3 years
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																$ 6,250	141,890
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
Debt Instrument, Interest Rate, Stated Percentage	12.00%			3.00%			3.00%
Convertible note purchase agreement | IPO
Debt, Convertible Promissory Notes and Common Stock Warrants
Strike price (in dollars per share) | $ / shares										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.
Debt, Convertible Promissory Notes and Common Stock Warrants
Amortization of debt discount							$ 31,250										17,857
Beneficial conversion feature																	484,326
Convertible note purchase agreement | Dechra Pharmaceuticals PLC
Debt, Convertible Promissory Notes and Common Stock Warrants
Amortization of debt discount																	$ 1,000,000
Line of credit and loan agreement
Debt, 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
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
Debt, Convertible Promissory Notes and Common Stock Warrants
Stand-by line of credit												$ 1,000,000
Maximum borrowing capacity												$ 1,000,000
Loan and security agreement
Debt, Convertible Promissory Notes and Common Stock Warrants
Effective interest rate								15.00%
Debt discount								$ 134,433
Stand-by line of credit								8,000,000
Maximum borrowing capacity								8,000,000
Initial loan commitment								6,000,000
Proceeds required to be maintained in cash								4,500,000
Additional borrowing capacity contingent on achievement of milestones								$ 2,000,000
Term of agreement								3 years
Prior notification period required for pre-payment of principal and accrued interest (in days)								$ 5
Loan and security agreement | Scenario, Forecast
Debt, Convertible Promissory Notes and Common Stock Warrants
Interest rate (as a percent)																							9.90%
Debt Instrument, Interest Rate, Stated Percentage																							9.90%
Baloon interest payment																						$ 560,000
Loan and security agreement | Prepayment during the first twelve months member
Debt, Convertible Promissory Notes and Common Stock Warrants
Prepayment charge during first twelve months of loan when a minimum cash balance is required as a percent of minimum cash balance								2.00%
Prepayment charge during first twelve months of loan when a minimum cash balance is required as a percent of difference between amount being prepaid and minimum cash balance								3.00%
Prepayment charge during first twelve months of loan when no minimum cash balance is required as a percent of amount being prepaid								3.00%
Loan and security agreement | Prepayment after the first twelve months member
Debt, Convertible Promissory Notes and Common Stock Warrants
Prepayment charge as a percent of amount being prepaid								1.00%

[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.