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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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

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Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

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Secured Notes to Related Party - Additional Information (Details)		1 Months Ended	3 Months Ended
	Jul. 29, 2011 shares	Apr. 30, 2011 USD ($) Day shares	Mar. 31, 2020 USD ($) shares	Mar. 31, 2019 USD ($)
Debt Instrument [Line Items]
Proceeds from convertible debt		$ 4,300,000
Amortization of debt discount			$ 310,000	$ 247,000
Debt instrument, convertible, number shares of equity instruments \| shares			9,100,000
Convertible Notes
Debt Instrument [Line Items]
Convertible debt issuable in connection with private placement		$ 4,500,000
Debt instrument, interest rate		6.00%
Debt instrument, maturity date		May 02, 2021
Debt instrument conversion ratio multiple of principal		$ 1,000
Beneficial ownership after conversion		9.99%
Notice period associated with beneficial ownership percentage limitation convertible notes \| Day		61
Common shares registered for resale in connection with convertible notes \| shares	3,500,000
Debt instrument, term		10 years
Paid-in-kind interest			$ 100,000
Debt instrument, additional debt discount			100,000
Interest expense, debt, excluding amortization			100,000	100,000
Amortization of debt discount			200,000	$ 200,000
Carrying value of debt			5,900,000
Debt instrument, face amount			7,200,000
Debt instrument, unamortized discount, total			$ 1,300,000
Convertible Notes \| Common Stock
Debt Instrument [Line Items]
Debt instrument, number of shares issued for convertible notes \| shares		1,250