Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 3 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 19, 2020 |
Apr. 30, 2020 |
Apr. 24, 2020 |
Oct. 31, 2018 |
Mar. 31, 2020 |
Mar. 31, 2019 |
|
| Equity (Textual) | |||||||
| Received amount | $ 9,300 | $ 900 | |||||
| Net proceeds on sale of common stock | $ 2,500 | 400 | |||||
| Share cancelled due to termination of employees | 300 | ||||||
| Total option expense | $ 400 | 300 | |||||
| Unrecognized compensation expense | 1,700 | ||||||
| Net proceeds on exercise of warrants | $ 1,504 | ||||||
| Weighted average remaining contractual term | 3 years | 3 years | |||||
| Subsequent Event [Member] | |||||||
| Equity (Textual) | |||||||
| Description of pre-funded warrants | Holders of 36.0 million pre-funded warrants exercised their warrants at $0.0001 per share and received 36.0 million common shares. | ||||||
| Subsequent event, description | The Company issued 157 thousand restricted common shares for consulting services. | The Company sold 171 thousand common shares through its at-the-market program and realized net proceeds of $35 thousand. | The Company issued and sold 128.3 million shares of common stock and 82.5 million pre-funded warrants to purchase shares of common stock. The price to the public in this offering for each share of common stock was $0.15 and for each pre-funded warrant was $0.1499. Each pre-funded warrant has an exercise price of $0.0001 per share and is exercisable immediately upon issuance. The warrants are subject to certain limitations on beneficial ownership. Gross proceeds from this offering to Actinium were $31.6 million, before deducting underwriting discounts and commissions and other offering expenses payable by the Company. Net proceeds from this offering were $29.1 million. | ||||
| Series A warrants [Member] | |||||||
| Equity (Textual) | |||||||
| Received amount | $ 1,500 | ||||||
| Warrants exercised | 2,500 | ||||||
| Lincoln Park Capital Fund, LLC [Member] | |||||||
| Equity (Textual) | |||||||
| Received amount | $ 200 | ||||||
| Sale of common stock, shares | 800,000 | ||||||
| Lincoln Park Capital Fund, LLC [Member] | Purchase Agreement [Member] | |||||||
| Equity (Textual) | |||||||
| Aggregate value of common stock, shares over life of agreement | $ 32,500 | ||||||
| Forecast [Member] | |||||||
| Equity (Textual) | |||||||
| Issuance of common stock, shares | 55,700,000 | ||||||
| Warrant to purchase of common stock | 21,300,000 | ||||||
| Warrants exercised | 0.0001 | ||||||
| Net proceeds of public offering | $ 22,800 | ||||||
| Gross proceeds | $ 25,000 | ||||||
| Common Stock [Member] | |||||||
| Equity (Textual) | |||||||
| Issuance of common stock, shares | 10,138,369 | 924,500 | |||||
| Common Stock [Member] | Forecast [Member] | |||||||
| Equity (Textual) | |||||||
| Share price | $ 0.325 | ||||||
| Warrant [Member] | Forecast [Member] | |||||||
| Equity (Textual) | |||||||
| Share price | $ 0.3249 | ||||||