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Outstanding Debt - Additional Information (Details) - USD ($)		3 Months Ended
	Mar. 29, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 21, 2018
Debt Instrument [Line Items]
Debt instrument, principal face amount		$ 6,100,000	$ 4,500,000
Series D Preferred Shares [Member]
Debt Instrument [Line Items]
Interest rate	8.00%
Preferred stock, stated value	$ 1,160,000
Proceeds from exchange of preferred stock	400,000
Issuance of senior secured promissory note in exchange of preferred stock	$ 1,560,000
Maturity date	Apr. 01, 2020
Senior Secured Convertible Notes
Debt Instrument [Line Items]
Interest rate				8.00%
Debt instrument, principal face amount				$ 9,400,000
Debt instrument maturity start date		Dec. 31, 2018
Debt instrument maturity end date		Mar. 31, 2021

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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Contractual interest rate for funds borrowed, under the debt agreement.

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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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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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-Publisher FASB
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Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt.

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