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Represents the minimum percentage of outstanding principal amount written consent required for prepayment.

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Represents preferred stock conversion price per share as a percentage of lowest price per share of preferred stock sold in financing.

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Represents the percentage of outstanding principal amount payable in event of corporate transaction or change of control event.

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Represents the threshold amount of proceeds from sale of preferred stock.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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The number of shares 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 payments in the period.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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

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Amount of the fee that accompanies borrowing money under the debt instrument.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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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Amount, after accumulated amortization, of debt discount.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Per share or per unit amount of equity securities issued.

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CONVERTIBLE PROMISSORY NOTES (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended	9 Months Ended
	Feb. 05, 2018	Nov. 30, 2018	Sep. 30, 2018	Sep. 30, 2018	Sep. 30, 2019	Feb. 28, 2019	Dec. 31, 2018	Jan. 18, 2018
Debt
Outstanding notes					$ 0		$ 0
Series B Convertible Preferred Stock
Debt
Issue price (in dollars per share)		$ 7.49				$ 7.49
Warrants Issued with the 2018 Notes
Debt
Initial fair value recorded as debt discount (in dollars)								$ 100
2018 Notes
Debt
Outstanding notes		$ 6,600
Aggregate principal amount	$ 6,000
Interest rate (as a percent)	15.00%
Threshold proceeds from sale of preferred stock	$ 8,000
Preferred stock conversion price as a percentage of lowest price per share of preferred stock sold in financing	80.00%	80.00%
Percentage of outstanding principal amount payable in event of corporate transaction or change of control event	30.00%
Minimum percentage of outstanding principal amount written consent required for prepayment	50.00%
Additional percentage of outstanding principal payable on prepayment	15.00%
Legal costs and bank fees	$ 400
Effective interest rate (as a percent)	54.90%
Interest expense			$ 600	$ 1,400
Amortization of debt discount			$ 800	$ 300
Debt converted into shares		1,097,721
2018 Notes \| Derivative Liability
Debt
Initial fair value recorded as debt discount (in dollars)	$ 1,900