Date the warrants or rights are exercisable, in CCYY-MM-DD format.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Number of warrants or rights outstanding.

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- Definition

The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

The cash outflow to reacquire common stock during the period.

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The cash inflow from the additional capital contribution to the entity.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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No definition available.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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Number of shares that have been repurchased and retired during the period.

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Stockholders' Equity - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	May 31, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2013	Jul. 31, 2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Net proceeds from the issuance of common stock	$ 30,700,000			$ 30,740,665	$ 5,275,872
Payment for repurchase of common stock				$ 11,202,542	0
Warrants exercisable, outstanding		149,704		149,704
Stock-based compensation		$ 800,000	$ 800,000	$ 2,062,924	$ 1,710,423
2013 Warrants [Member] \| Convertible promissory notes [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Warrant expiration date				May 30, 2018
2013 Warrants [Member] \| Series B Preferred Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Warrant exercisable to purchase shares						1,124,026
2013 Warrants [Member] \| Series B Preferred Stock [Member] \| Convertible promissory notes [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise price of warrant per share						$ 0.90
Lender Warrants [Member] \| Series B convertible preferred stock [Member] \| Term Loan One
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise price of warrant per share						$ 0.90
Warrant issued						111,112
Warrant expiration date				Jul. 03, 2023
Common Stock [Member] \| 2013 Warrants [Member] \| Convertible promissory notes [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise price of warrant per share							$ 7.43
Common Stock [Member] \| Lender Warrants [Member] \| Convertible promissory notes [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise price of warrant per share							$ 7.43
Warrants exercisable, outstanding							13,468
Common Stock [Member] \| Stock Purchase Agreement with Advent [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Payment for repurchase of common stock	$ 11,200,000
Shares repurchased and retired under stock purchase agreement	2,166,836
Shares repurchased and retired price per share	$ 5.17
Follow on Offering [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, shares issued	5,980,000
Common stock, price per share	$ 5.50
Post IPO [Member] \| Common Stock [Member] \| 2013 Warrants [Member] \| Convertible promissory notes [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Warrants exercisable, outstanding							136,236