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Convertible Notes - Additional Information (Details) - USD ($)			1 Months Ended					3 Months Ended
	Feb. 18, 2018	Feb. 17, 2018	Feb. 29, 2020	Aug. 31, 2019	Feb. 28, 2019	Oct. 31, 2018	Mar. 31, 2016	Mar. 31, 2020
Debt Instrument [Line Items]
Stated interest rate								8.00%
Senior Secured Convertible Notes due August 15 2018
Debt Instrument [Line Items]
Stated interest rate						8.00%	10.00%
Principal amount							$ 8,000,000
Redemption purchase price	100.00%	120.00%
Minimum ownership percentage triggering event for redemption of notes							40.00%
Maximum amount of indebtedness subordinated by security interest and cash payment rights under debt instruments							$ 5,000,000
Payment on principle amount of note						$ 7,400,000
Senior Secured Convertible Notes due August 15 2018 | Maximum
Debt Instrument [Line Items]
Period for outstanding balance of accounts receivable has not recorded an allowance for doubtful accounts							90 days
Senior Secured Convertible Notes due August 15 2018 | Minimum
Debt Instrument [Line Items]
Percentage of beneficial ownership if effective upon conversion date of debt instrument							19.90%
Senior Secured Convertible Notes due August 15, 2023
Debt Instrument [Line Items]
Conversion price						$ 11.434	$ 170.00
Outstanding Notes payable								$ 3,000,000
Interest Note
Debt Instrument [Line Items]
Conversion price								$ 11.434
Semi-annual interest payments			$ 112,000	$ 109,000	$ 78,000
Number of shares issuable if notes converted to shares of common stock								253,630
Beneficial ownership ceiling								9.90%

X

- Definition

The percentage of beneficial ownership if effective upon the applicable conversion date of debt instrument.

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The period for outstanding balance of accounts receivable has not recorded an allowance for doubtful accounts pledged under the debt instrument conversion features, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The maximum amount of indebtedness subordinated by security interest and cash payment rights under the convertible debt instruments.

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- Definition

Debt instrument convertible number of shares of common stock.

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Represents the minimum beneficial ownership percentage which triggers, at the election of the holders, redemption of the notes.

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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

+ References

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The price per share of the conversion feature embedded in the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the required periodic payments applied to interest.

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Percentage of principal amount of debt redeemed.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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