Liquidity (Details Narrative) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | |||
|---|---|---|---|---|---|
Nov. 30, 2018 |
Mar. 31, 2019 |
Mar. 31, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Cash and cash equivalents | $ 9,124 | $ 12,645 | $ 6,068 | $ 15,199 | |
| Accounts receivable, net | 11,221 | 9,483 | |||
| Total current assets | 22,233 | 17,721 | |||
| Total current liabilities | 9,832 | $ 8,492 | |||
| Net loss | 3,419 | 3,193 | |||
| Net cash used in operating activities | 2,960 | $ 2,494 | |||
| Line of credit facility | |||||
| Silicon Valley Bank [Member] | |||||
| Line of credit facility | $ 850 | $ 4,000 | |||
| Term loan draw date | Jun. 30, 2019 | ||||
| Line of credit facility term loan | 3 years | ||||
| Line of credit facility, description | The proceeds of the term loan are expected to be used for laboratory capital expenditures and will be repaid monthly. The term loan draw date will be on or before June 30, 2019. The borrowing limit of the revolving line of credit is the lower of 80% of the Company’s eligible accounts receivable (as adjusted by SVB) and the aggregate amount of cash collections with respect to accounts receivable during the three prior calendar months. | The amount that may be borrowed under the Revolving Line is the lower of (i) $4.0 million or (ii) 80% of the Company’s eligible accounts receivable (as adjusted by SVB) minus any outstanding amounts under the Term Loan. Revolving Line outstanding amounts incur interest at a rate per annum equal to the Prime Rate plus 0.5%. The Company is also required to pay an unused Revolving Line facility fee monthly in arrears in an amount equal to 0.35% per annum of the average unused but available portion of the Revolving Line. | |||
| Line of credit, percentage | 0.50% | 5.00% | |||
| Silicon Valley Bank [Member] | Prime Rate [Member] | |||||
| Line of credit, percentage | 5.00% | 5.00% | |||
| Silicon Valley Bank [Member] | April 2, 2019 [Member] | |||||
| Line of credit reserved amount | $ 250 | ||||
| Silicon Valley Bank [Member] | November 2021 [Member] | |||||
| Line of credit facility | $ 3,150 | ||||
| Line of credit facility, revolving credit conversion to term loan, description | The term loan draw date will be on or before June 30, 2019. The $3.15 million balance of the Line of Credit is available for working capital purposes as a revolving line of credit and has a three-year term, ending November 2021 | ||||
| Silicon Valley Bank [Member] | Maximum [Member] | |||||
| Line of credit facility | $ 4,000 | ||||
| X | ||||||||||
- Definition Line of credit reserved amount. No definition available.
|
| X | ||||||||||
- Definition Term loan draw date. No definition available.
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
|
| X | ||||||||||
- Definition Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The effective interest rate during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Describes when borrowings outstanding under a line of credit will convert to a term loan, and describes the repayment terms, collateral, and priority (seniority) of the term loan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|