The rate of interest that was being paid on the original debt issue that is being converted in the 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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The price per share of the conversion feature embedded in the debt instrument.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Debt - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended	30 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Dec. 31, 2021	Mar. 31, 2019	Dec. 31, 2018
Line of Credit Facility [Line Items]
Credit line borrowings	$ 1,652	$ 1,652			$ 2,219
Proceeds from issuance of subordinated convertible promissory notes		1,700
Interest rate on convertible notes	5.00%
Conversion rate (in dollars per share)				$ 0.67
Revolving Credit Facility
Line of Credit Facility [Line Items]
Credit line borrowings	$ 1,700	1,700
Unamortized debt issuance costs	100	$ 100
Credit facility, interest rate		7.50%
Available borrowing capacity remaining	300	$ 300
Subsequent Event
Line of Credit Facility [Line Items]
Interest rate on convertible notes			10.00%
Convertible Debt
Line of Credit Facility [Line Items]
Unamortized debt issuance costs	$ 60	$ 60