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v3.20.1

Consolidated Statements of Changes in (Deficit)/Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Warrants [Member] | Accumulated Deficit [Member] | Treasury Stock [Member] | Total Acorn Energy, Inc. Shareholders' (Deficit)/Equity [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
Shares issued in lieu of director fees | $ 1 |  | 13 |  |  |  | 14 |  | 14
Shares issued in lieu of director fees, shares | 56,000 |  |  |  |  |  |  |  |
Accrued dividend in OmniMetrix preferred shares |  |  |  |  |  |  |  | (87) | (87)
Value of expired warrants |  |  | 482 | (482) |  |  |  |  |
Stock option compensation |  |  | 26 |  |  |  | 26 |  | 26
Net loss |  |  |  |  | (2,001) |  | (2,001) | (86) | (2,087)
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 |  |  |
Accrued dividend in OmniMetrix preferred shares |  |  |  |  |  |  |  | (42) | (42)
Value of expired warrants |  |  | 97 | (97) |  |  |  |  |
Stock option compensation |  |  | 22 |  |  |  | 22 |  | 22
Purchase of non-controlling interest |  |  | (914) |  |  |  | (914) | (36) | (950)
Rights offering, proceeds net of expenses | $ 100 |  | 2,084 |  |  |  | 2,184 |  | 2,184
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 |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (618) |  | (618) | (29) | (647)
Balances at Dec. 31, 2019 | $ 396 |  | $ 101,655 | $ 1,021 | $ (100,682) | $ (3,036) | $ (646) | $ 1 | $ (645)
Balances, shares at Dec. 31, 2019 | 39,591,000 |  |  |  |  | 802,000 |  |  |
[1] | Less than $1

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