Debt Agreements (Details Textual) $ / shares in Units, $ in Thousands |
1 Months Ended | 3 Months Ended | ||
|---|---|---|---|---|
|
Mar. 21, 2018
USD ($)
$ / shares
shares
|
Jul. 27, 2017
$ / shares
shares
|
Mar. 31, 2019
USD ($)
shares
|
Dec. 31, 2018
USD ($)
|
|
| Long-term Debt, Current Maturities | $ 1,227 | $ 527 | ||
| Horizon Technology Finance Corporation [Member] | ||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares | $ 1.50 | |||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares | 366,668 | |||
| Venture Loan [Member] | ||||
| Debt Instrument Final Payment On Each Loan Tranchepercentage | 5.00% | |||
| Long-term Debt | 3,900 | |||
| Debt Instrument, Unamortized Discount, Noncurrent | 100 | |||
| Long-term Debt, Current Maturities | $ 700 | |||
| Venture Loan [Member] | Horizon Technology Finance Corporation [Member] | ||||
| Debt Instrument, Maturity Date | Dec. 31, 2019 | |||
| Debt Instrument, Term | 46 months | |||
| Debt Instrument, Description of Variable Rate Basis | one-month LIBOR (floor of 1.10%) plus 8.40%. | |||
| Debt Instrument, Payment Terms | In addition, if we repay all or a portion of the loan prior to the applicable maturity date, we will pay Horizon a prepayment penalty fee, based on a percentage of the then outstanding principal balance, equal to 4% if the prepayment occurs during the interest-only payment period, 3% if the prepayment occurs during the 12 months following such period, and 2% thereafter. | |||
| Molteni Loan [Member] | ||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares | $ 7.20 | |||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares | 6,667 | |||
| Long-term Debt | $ 2,400 | |||
| Conversion Of Debt To Equity Description | Under the Restated Loan Agreement, Molteni has the right to convert its portion of the debt into shares of our common stock at a conversion price of $7.20 per share and is required to effect this conversion of debt to equity if we complete an equity financing resulting in gross proceeds of at least $10.0 million at a price per share of common stock in excess of $7.20 and repay the $1.6 million balance of Horizon’s loan amount. | |||
| Proceeds from Subordinated Short-term Debt | $ 4,000 | |||
| Debt Instrument, Convertible, Number of Equity Instruments | shares | 333,333 | |||
| Debt Instrument, Convertible, Terms of Conversion Feature | In connection with the Amendment to the Molteni Purchase Agreement (see Note 4), the Molteni Convertible Loan will convert automatically into shares of our common stock upon the issuance of marketing approval for Probuphine by the EMA at a conversion price per share equal to the lower of (i) the closing price on the loan funding date ($3.42 per share) or (ii) the closing price on the conversion date. | |||
| Molteni Loan [Member] | Measurement Input, Share Price [Member] | ||||
| Debt Instrument, Convertible, Number of Equity Instruments | shares | 374,456 | |||
| Molteni Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | ||||
| Debt Instrument, Interest Rate Terms | one-month LIBOR (to the extent in excess of 1.10%) plus 9.50% per annum. | |||
| Molteni Loan [Member] | Convertible Debt [Member] | ||||
| Debt Instrument, Unamortized Discount, Noncurrent | $ 100 | |||
| Convertible Debt, Current | $ 500 | |||
| New Horizon Warrants [Member] | ||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares | $ 7.20 | |||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares | 90,000 | |||