Beneficial ownership limitation option percentage.

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Beneficial ownership notification period requirement.

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Beneficial ownership percentage on common stock outstanding.

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Convertible preferred stock shares issuable upon conversion as percentage of common stock issued and outstanding.

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No definition available.

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Percentage of outstanding preferred stock shares.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Maximum Award to be Deductible

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No definition available.

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Stockholder approval date.

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- Definition

Warrant expiration period.

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No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

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

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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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- Definition

Aggregate number of common shares reserved for future issuance.

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The value of the financial instrument issued [noncash or part noncash] in the conversion of stock. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Number of shares issued for each share of convertible preferred stock that is converted.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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No definition available.

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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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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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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Gross number of share options (or share units) granted during the period.

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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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Stock Benefit Plans and Equity Transactions - Additional Information (Details) - USD ($)			6 Months Ended
	Mar. 29, 2017	Mar. 22, 2017	Jun. 30, 2017	Mar. 30, 2017	Mar. 01, 2017	Dec. 31, 2016	Oct. 04, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Series A convertible preferred stock, shares issued			11,000			0
Exercise price of warrants (dollars per share)		$ 2.00
Warrant expiration period		5 years
Stockholder approval date			Jun. 15, 2017
Preferred stock, stated value per share			$ 0.0001			$ 0.0001
Wainwright Warrants
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Exercise price of warrants (dollars per share)					$ 2.50
Aggregate gross proceeds for private placement	$ 18,900,000
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Beneficial ownership limitation percentage			4.99%
Beneficial ownership, limitation option, percentage			9.99%
Beneficial ownership limitation notification period			61 days
Maximum \| Certificate Of Designation
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Convertible preferred stock, percentage of shares issuable upon conversion	19.99%
Maximum \| Wainwright Warrants
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of warrants issued (in shares)					471,600
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of outstanding voting stock acquired			50.00%
Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Issuance of common stock upon securities purchase agreement		1,809,628
Common stock purchase price share		$ 2.00
Common Stock \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of warrants issued (in shares)		9,432,000
Common Stock \| Certain Directors and Executive Officers \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of warrants issued (in shares)		1,175,000
Series A convertible preferred stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Series A convertible preferred stock, shares issued		15,245	4,315
Shares issued price per share		$ 1,000
Percentage of outstanding preferred stock shares	75.00%
Series A convertible preferred stock \| Certificate Of Designation
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Preferred stock convertible to common stock	500,000
Preferred stock, stated value per share	$ 1,000
Series A convertible preferred stock \| Certain Directors and Executive Officers
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Preferred stock convertible to common stock		1,175,000
Aggregate amount of convertible preferred shares purchased		$ 2,350,000
Series A convertible preferred stock \| Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Preferred stock convertible to common stock		7,622,372	2,157,432
Inducement Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for future issuance				600,000			1,550,000
Maximum award to be deductible other than options							$ 1,000,000
Stock options granted in period			200,000
RSUs \| Inducement Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Equity instruments other than options granted in period (in shares)			200,000