Liquidity (Details) - USD ($) |
Sep. 28, 2016 |
Dec. 31, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
May 23, 2017 |
Mar. 31, 2017 |
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| Debt Instrument [Line Items] | ||||||
| Cash | $ 10,531,000 | $ 13,051,000 | $ 7,214,000 | $ 6,480,000 | ||
| Convertible notes | ||||||
| Debt Instrument [Line Items] | ||||||
| Debt face amount | $ 16,000,000 | $ 4,700,000 | ||||
| Interest rate | 8.75% | |||||
| Proceeds from debt | $ 14,316,000 | |||||
| Credit Agreement | Western Alliance Bank | ||||||
| Debt Instrument [Line Items] | ||||||
| Credit agreement, total facility amount | $ 5,000,000 |
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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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. No definition available.
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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