Condensed Consolidated Statements of Changes in Equity (Deficit) (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Warrants [Member] | Accumulated Deficit [Member] | Treasury Stock [Member] | Total Acorn Energy, Inc. Shareholders' Equity (Deficit) [Member] | Non-Controlling Interests [Member] | Total |
Balances at Dec. 31, 2017 | $ 295 | | $ 99,827 | $ 1,600 | $ (98,215) | $ (3,036) | $ 471 | $ 281 | $ 752 |
Balances, shares at Dec. 31, 2017 | 29,500,000 | | | | | 802,000 | | | |
Adjustment of retained earnings in accordance with ASC 606 | | | | | 152 | | 152 | | 152 |
Net loss | | | | | (1,222) | | (1,222) | (27) | (1,249) |
Accrued dividend in OmniMetrix preferred shares | | | | | | | | (25) | (25) |
Shares granted in lieu of director fees | | [1] | 4 | | | | 4 | | 4 |
Shares granted in lieu of director fees, shares | 19,000 | | | | | | | | |
Stock option compensation | | | 7 | | | | 7 | | 7 |
Balances at Mar. 31, 2018 | $ 295 | | 99,838 | 1,600 | (99,285) | $ (3,036) | (588) | 229 | (359) |
Balances, shares at Mar. 31, 2018 | 29,519,000 | | | | | 802,000 | | | |
Balances at Dec. 31, 2017 | $ 295 | | 99,827 | 1,600 | (98,215) | $ (3,036) | 471 | 281 | 752 |
Balances, shares at Dec. 31, 2017 | 29,500,000 | | | | | 802,000 | | | |
Net loss | | | | | | | | | (1,825) |
Balances at Sep. 30, 2018 | $ 296 | | 99,861 | 1,600 | (99,819) | $ (3,036) | (1,098) | 145 | (953) |
Balances, shares at Sep. 30, 2018 | 29,556,000 | | | | | 802,000 | | | |
Balances at Mar. 31, 2018 | $ 295 | | 99,838 | 1,600 | (99,285) | $ (3,036) | (588) | 229 | (359) |
Balances, shares at Mar. 31, 2018 | 29,519,000 | | | | | 802,000 | | | |
Net loss | | | | | (538) | | (538) | (33) | (571) |
Accrued dividend in OmniMetrix preferred shares | | | | | | | | (25) | (25) |
Shares granted in lieu of director fees | | [1] | 5 | | | | 5 | | 5 |
Shares granted in lieu of director fees, shares | 18,000 | | | | | | | | |
Stock option compensation | | | 11 | | | | 11 | | 11 |
Balances at Jun. 30, 2018 | $ 295 | | 99,854 | 1,600 | (99,823) | $ (3,036) | (1,110) | 171 | (939) |
Balances, shares at Jun. 30, 2018 | 29,537,000 | | | | | 802,000 | | | |
Net loss | | | | | 4 | | 4 | (9) | (5) |
Accrued dividend in OmniMetrix preferred shares | | | | | | | | (17) | (17) |
Shares granted in lieu of director fees | $ 1 | | 4 | | | | 5 | | 5 |
Shares granted in lieu of director fees, shares | 19,000 | | | | | | | | |
Stock option compensation | | | 3 | | | | 3 | | 3 |
Balances at Sep. 30, 2018 | $ 296 | | 99,861 | 1,600 | (99,819) | $ (3,036) | (1,098) | 145 | (953) |
Balances, shares at Sep. 30, 2018 | 29,556,000 | | | | | 802,000 | | | |
Balances at Dec. 31, 2018 | $ 296 | | 100,348 | 1,118 | (100,064) | $ (3,036) | (1,338) | 108 | (1,230) |
Balances, shares at Dec. 31, 2018 | 29,556,000 | | | | | 802,000 | | | |
Net loss | | | | | (237) | | (237) | (24) | (261) |
Accrued dividend in OmniMetrix preferred shares | | | | | | | | (20) | (20) |
Stock option compensation | | | 6 | | | | 6 | | 6 |
Balances at Mar. 31, 2019 | $ 296 | | 100,354 | 1,118 | (100,301) | $ (3,036) | (1,569) | 64 | (1,505) |
Balances, shares at Mar. 31, 2019 | 29,556,000 | | | | | 802,000 | | | |
Balances at Dec. 31, 2018 | $ 296 | | 100,348 | 1,118 | (100,064) | $ (3,036) | (1,338) | 108 | (1,230) |
Balances, shares at Dec. 31, 2018 | 29,556,000 | | | | | 802,000 | | | |
Net loss | | | | | | | | | (586) |
Balances at Sep. 30, 2019 | $ 396 | | 101,557 | 1,118 | (100,621) | $ (3,036) | (586) | 2 | (584) |
Balances, shares at Sep. 30, 2019 | 39,591,000 | | | | | 802,000 | | | |
Balances at Mar. 31, 2019 | $ 296 | | 100,354 | 1,118 | (100,301) | $ (3,036) | (1,569) | 64 | (1,505) |
Balances, shares at Mar. 31, 2019 | 29,556,000 | | | | | 802,000 | | | |
Net loss | | | | | (199) | | (199) | (5) | (204) |
Accrued dividend in OmniMetrix preferred shares | | | | | | | | (20) | (20) |
Stock option compensation | | | 6 | | | | 6 | | 6 |
Rights offering, proceeds net of expenses | $ 100 | | 2,106 | | | | 2,206 | | 2,206 |
Rights offering, proceeds net of expenses, shares | 9,975,000 | | | | | | | | |
Shares granted in lieu of professional fees | | [1] | 18 | | | | 18 | | 18 |
Shares granted in lieu of professional fees, shares | 60,000 | | | | | | | | |
Balances at Jun. 30, 2019 | $ 396 | | 102,484 | 1,118 | (100,500) | $ (3,036) | 462 | 39 | 501 |
Balances, shares at Jun. 30, 2019 | 39,591,000 | | | | | 802,000 | | | |
Net loss | | | | | (121) | | (121) | | (121) |
Accrued dividend in OmniMetrix preferred shares | | | | | | | | (1) | (1) |
Stock option compensation | | | 7 | | | | 7 | | 7 |
Rights offering, proceeds net of expenses | | [1] | (20) | | | | (20) | | (20) |
Rights offering, proceeds net of expenses, shares | | | | | | | | | |
Purchase of non-controlling interest | | | (914) | | | | (914) | (36) | (950) |
Balances at Sep. 30, 2019 | $ 396 | | $ 101,557 | $ 1,118 | $ (100,621) | $ (3,036) | $ (586) | $ 2 | $ (584) |
Balances, shares at Sep. 30, 2019 | 39,591,000 | | | | | 802,000 | | | |
|
[1] | Less than $1 |