QUARTERLY FINANCIAL STATEMENTS (UNAUDITED) (Details 1) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Sep. 30, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CURRENT ASSETS | ||||||||||||||||||||
| Cash and cash equivalents | $ 1,769 | $ 1,326 | $ 3,905 | |||||||||||||||||
| Accounts receivable, net | 2,150 | 1,982 | 1,788 | |||||||||||||||||
| Inventories, net | 7,971 | 7,491 | 4,705 | |||||||||||||||||
| Investment in marketable securities | 27,929 | 27,643 | 49,343 | |||||||||||||||||
| Marketable securities, pledged to creditor | 238 | |||||||||||||||||||
| Prepaid expenses and other current assets | 1,402 | 1,541 | 634 | |||||||||||||||||
| Total current assets | 41,221 | 39,983 | 60,613 | |||||||||||||||||
| Property and equipment, net | 151 | 163 | 152 | |||||||||||||||||
| Equity method investment | 13,325 | 13,407 | 13,569 | |||||||||||||||||
| Right of use assets | 4,474 | 4,118 | ||||||||||||||||||
| Other assets | 285 | 427 | 406 | |||||||||||||||||
| Total assets | 59,456 | 58,098 | 75,278 | |||||||||||||||||
| CURRENT LIABILITIES | ||||||||||||||||||||
| Accounts payable and accrued expenses | 11,498 | 10,926 | 8,235 | |||||||||||||||||
| Operating lease liabilities, current portion | 991 | 844 | ||||||||||||||||||
| Other current liabilities | 5,748 | 6,033 | 5,342 | |||||||||||||||||
| Warrant derivative liabilities | 38 | 91 | 8,939 | |||||||||||||||||
| Notes payable, net of discount | 3,749 | 3,886 | 6,212 | |||||||||||||||||
| Notes payable to related parties | 193 | 193 | 468 | |||||||||||||||||
| Convertible debentures, net of discount | 7,015 | 6,470 | ||||||||||||||||||
| Convertible notes payable, net of discount | 2,995 | 2,928 | 11,253 | |||||||||||||||||
| Total current liabilities | 32,827 | 31,371 | 45,557 | |||||||||||||||||
| Operating lease liabilities, less current portion | 3,932 | 3,714 | ||||||||||||||||||
| Other long-term liabilities | 33,750 | 34,556 | 36,222 | |||||||||||||||||
| Convertible debentures, net of discount less current portion | 706 | |||||||||||||||||||
| Total liabilities | 70,509 | 70,347 | 96,986 | |||||||||||||||||
| STOCKHOLDERS’ EQUITY (DEFICIT) | ||||||||||||||||||||
| Preferred stock — par value $0.001 per share, 15,000,000 shares authorized, no shares issued or outstanding | ||||||||||||||||||||
| Common stock — par value $0.001 per share, 250,000,000 shares authorized, 48,471,446 shares and 37,341,393 shares issued and outstanding at December 31, 2019 and at December 31, 2018, respectively | 48 | 48 | 37 | |||||||||||||||||
| Additional paid-in capital | 215,207 | 212,619 | 149,682 | |||||||||||||||||
| Accumulated other comprehensive income (loss) | (79) | (51) | (69) | |||||||||||||||||
| Accumulated deficit | (226,229) | (224,865) | (171,358) | |||||||||||||||||
| Total stockholders’ deficit | (11,053) | (12,249) | (21,708) | $ 18,288 | ||||||||||||||||
| Total liabilities and stockholders’ deficit | $ 59,456 | 58,098 | 75,278 | |||||||||||||||||
| Previously Reported [Member] | ||||||||||||||||||||
| CURRENT ASSETS | ||||||||||||||||||||
| Cash and cash equivalents | 13,546 | 17,080 | ||||||||||||||||||
| Accounts receivable, net | 1,900 | 1,351 | ||||||||||||||||||
| Inventories, net | 7,491 | 4,705 | ||||||||||||||||||
| Investment in marketable securities | 27,643 | 49,343 | ||||||||||||||||||
| Marketable securities, pledged to creditor | 238 | |||||||||||||||||||
| Prepaid expenses and other current assets | 1,194 | 743 | ||||||||||||||||||
| Total current assets | 51,774 | 73,460 | ||||||||||||||||||
| Property and equipment, net | 163 | 152 | ||||||||||||||||||
| Right of use assets | 4,118 | |||||||||||||||||||
| Other assets | 427 | 406 | ||||||||||||||||||
| Total assets | 56,482 | 74,556 | ||||||||||||||||||
| CURRENT LIABILITIES | ||||||||||||||||||||
| Accounts payable and accrued expenses | 10,706 | 9,122 | ||||||||||||||||||
| Operating lease liabilities, current portion | 844 | |||||||||||||||||||
| Other current liabilities | 5,676 | 5,181 | ||||||||||||||||||
| Notes payable, net of discount | 3,886 | 6,394 | ||||||||||||||||||
| Notes payable to related parties | 193 | 468 | ||||||||||||||||||
| Convertible debentures, net of discount | 11,000 | |||||||||||||||||||
| Convertible notes payable, net of discount | 2,928 | 11,253 | ||||||||||||||||||
| Total current liabilities | 35,233 | 37,526 | ||||||||||||||||||
| Operating lease liabilities, less current portion | 3,714 | |||||||||||||||||||
| Other long-term liabilities | 34,585 | 36,222 | ||||||||||||||||||
| Convertible debentures, net of discount less current portion | 1,200 | |||||||||||||||||||
| Total liabilities | 74,732 | 90,450 | ||||||||||||||||||
| STOCKHOLDERS’ EQUITY (DEFICIT) | ||||||||||||||||||||
| Preferred stock — par value $0.001 per share, 15,000,000 shares authorized, no shares issued or outstanding | ||||||||||||||||||||
| Common stock — par value $0.001 per share, 250,000,000 shares authorized, 48,471,446 shares and 37,341,393 shares issued and outstanding at December 31, 2019 and at December 31, 2018, respectively | 47 | 37 | ||||||||||||||||||
| Additional paid-in capital | 199,395 | 140,903 | ||||||||||||||||||
| Accumulated other comprehensive income (loss) | (51) | (69) | ||||||||||||||||||
| Accumulated deficit | (216,916) | (156,668) | ||||||||||||||||||
| Total stockholders’ deficit | (17,525) | (15,797) | ||||||||||||||||||
| Noncontrolling interests | (725) | (97) | ||||||||||||||||||
| Total liabilities and stockholders’ deficit | 56,482 | 74,556 | ||||||||||||||||||
| Adjustments [Member] | ||||||||||||||||||||
| CURRENT ASSETS | ||||||||||||||||||||
| Cash and cash equivalents | (12,220) | [1] | (13,175) | [2] | ||||||||||||||||
| Accounts receivable, net | 82 | [3] | 437 | [4] | ||||||||||||||||
| Prepaid expenses and other current assets | 347 | [1],[3] | (109) | [2],[4] | ||||||||||||||||
| Total current assets | (11,791) | (12,847) | ||||||||||||||||||
| Equity method investment | 13,407 | [1] | 13,569 | [2] | ||||||||||||||||
| Total assets | 1,616 | 722 | ||||||||||||||||||
| CURRENT LIABILITIES | ||||||||||||||||||||
| Accounts payable and accrued expenses | 220 | [1] | (887) | [2] | ||||||||||||||||
| Other current liabilities | 357 | [3],[5] | 161 | [4] | ||||||||||||||||
| Warrant derivative liabilities | 91 | [5] | 8,939 | [4],[6] | ||||||||||||||||
| Notes payable, net of discount | [6] | (182) | ||||||||||||||||||
| Convertible debentures, net of discount | [5] | (4,530) | ||||||||||||||||||
| Total current liabilities | (3,862) | 8,031 | ||||||||||||||||||
| Other long-term liabilities | [5] | (29) | ||||||||||||||||||
| Convertible debentures, net of discount less current portion | [5] | (494) | ||||||||||||||||||
| Total liabilities | (4,385) | 6,536 | ||||||||||||||||||
| STOCKHOLDERS’ EQUITY (DEFICIT) | ||||||||||||||||||||
| Preferred stock — par value $0.001 per share, 15,000,000 shares authorized, no shares issued or outstanding | ||||||||||||||||||||
| Common stock — par value $0.001 per share, 250,000,000 shares authorized, 48,471,446 shares and 37,341,393 shares issued and outstanding at December 31, 2019 and at December 31, 2018, respectively | 1 | |||||||||||||||||||
| Additional paid-in capital | 13,224 | [1],[5] | 8,779 | [4],[6],[7] | ||||||||||||||||
| Accumulated deficit | (7,949) | (14,690) | ||||||||||||||||||
| Total stockholders’ deficit | 5,276 | (5,911) | ||||||||||||||||||
| Noncontrolling interests | 725 | 97 | [2] | |||||||||||||||||
| Total liabilities and stockholders’ deficit | $ 1,616 | $ 722 | ||||||||||||||||||
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