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Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Accumulated Deficit [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member] | Non-controlling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2018 | $ 192 | $ 138,693 | $ (101,180) | $ (435) | $ (5,736) |  | $ 31,534 |
Balance, shares at Dec. 31, 2018 | 19,178,000 |  |  |  |  |  |  |
Net loss attributable to common stockholders |  |  | (2,194) |  |  |  | (2,194) |
Foreign currency translation adjustment |  |  |  | (12) |  |  | (12) |
Issuance of restricted shares | $ 1 | (1) |  |  |  |  |  |
Issuance of restricted shares, shares | 81,000 |  |  |  |  |  |  |
Reclassification of unrealized losses on investments |  |  |  | 47 |  |  | 47 |
Shares repurchased pursuant to vesting of restricted stock |  |  |  |  | (226) |  | (226) |
Stock based compensation |  | 583 |  |  |  |  | 583 |
Shares issued pursuant to exercise of stock options |  |  |  |  |  |  |  |
Shares issued pursuant to exercise of stock options, shares |  |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration |  |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration shares |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares, shares |  |  |  |  |  |  |  |
Net income (loss) attributable to non-controlling interest |  |  |  |  |  |  |  |
Vesting of restricted stock units |  |  |  |  |  |  |  |
Vesting of restricted stock units, shares |  |  |  |  |  |  |  |
Other |  |  |  |  |  |  |  |
Shares withheld pursuant to exercise of stock options |  |  |  |  |  |  |  |
Shares withheld pursuant to vesting of restricted stock |  |  |  |  |  |  |  |
Common shares issued under the 2020 ATM |  |  |  |  |  |  |  |
Common shares issued under the 2020 ATM,shares |  |  |  |  |  |  |  |
Balance at Mar. 31, 2019 | $ 193 | $ 139,275 | $ (103,374) | $ (400) | $ (5,962) |  | $ 29,732 |
Balance, shares at Mar. 31, 2019 | 19,259,000 |  |  |  |  |  |  |
Balance at Dec. 31, 2018 | $ 192 | 138,693 | (101,180) | (435) | (5,736) |  | 31,534 |
Balance, shares at Dec. 31, 2018 | 19,178,000 |  |  |  |  |  |  |
Net loss attributable to common stockholders |  |  |  |  |  |  | (6,878) |
Balance at Sep. 30, 2019 | $ 197 | 141,753 | (108,058) | (255) | (6,027) |  | 27,610 |
Balance, shares at Sep. 30, 2019 | 19,653,000 |  |  |  |  |  |  |
Balance at Mar. 31, 2019 | $ 193 | 139,275 | (103,374) | (400) | (5,962) |  | 29,732 |
Balance, shares at Mar. 31, 2019 | 19,259,000 |  |  |  |  |  |  |
Net loss attributable to common stockholders |  |  | (2,585) |  |  |  | (2,585) |
Foreign currency translation adjustment |  |  |  | (46) |  |  | (46) |
Issuance of restricted shares | $ 2 | (2) |  |  |  |  |  |
Issuance of restricted shares, shares | 164,000 |  |  |  |  |  |  |
Reclassification of unrealized losses on investments |  |  |  |  |  |  |  |
Shares repurchased pursuant to vesting of restricted stock |  |  |  |  | (19) |  | (19) |
Stock based compensation |  | 601 |  |  |  |  | 601 |
Shares issued pursuant to exercise of stock options |  | 177 |  |  |  |  | 177 |
Shares issued pursuant to exercise of stock options, shares | 50,000 |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration |  |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration shares |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares, shares |  |  |  |  |  |  |  |
Net income (loss) attributable to non-controlling interest |  |  |  |  |  |  |  |
Vesting of restricted stock units |  |  |  |  |  |  |  |
Vesting of restricted stock units, shares |  |  |  |  |  |  |  |
Other |  |  |  |  |  |  |  |
Shares withheld pursuant to exercise of stock options |  |  |  |  |  |  |  |
Shares withheld pursuant to vesting of restricted stock |  |  |  |  |  |  |  |
Common shares issued under the 2020 ATM |  |  |  |  |  |  |  |
Common shares issued under the 2020 ATM,shares |  |  |  |  |  |  |  |
Balance at Jun. 30, 2019 | $ 195 | $ 140,051 | $ (105,959) | $ (446) | $ (5,981) |  | $ 27,860 |
Balance, shares at Jun. 30, 2019 | 19,473,000 |  |  |  |  |  |  |
Net loss attributable to common stockholders |  |  | (2,099) |  |  |  | (2,099) |
Foreign currency translation adjustment |  |  |  | 191 |  |  | 191 |
Issuance of restricted shares | $ 1 | (1) |  |  |  |  |  |
Issuance of restricted shares, shares | 10,000 |  |  |  |  |  |  |
Shares repurchased pursuant to vesting of restricted stock |  |  |  |  | (46) |  | (46) |
Stock based compensation |  | 548 |  |  |  |  | 548 |
Shares issued pursuant to exercise of stock options |  |  |  |  |  |  |  |
Shares issued pursuant to exercise of stock options, shares |  |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration | $ 1 | $ 999 |  |  |  |  | $ 1,000 |
Shares issued related to Keytroller acquisition consideration shares | 148,000 |  |  |  |  |  |  |
Shares issued pursuant to acquisition |  | 156 |  |  |  |  | 156 |
Shares issued pursuant to acquisition shares | 27,000 |  |  |  |  |  |  |
Forfeiture of restricted shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares, shares | (5,000) |  |  |  |  |  |  |
Net income (loss) attributable to non-controlling interest |  |  |  |  |  |  |  |
Vesting of restricted stock units |  |  |  |  |  |  |  |
Vesting of restricted stock units, shares |  |  |  |  |  |  |  |
Other |  |  |  |  |  |  |  |
Shares withheld pursuant to exercise of stock options |  |  |  |  |  |  |  |
Shares withheld pursuant to vesting of restricted stock |  |  |  |  |  |  |  |
Common shares issued under the 2020 ATM |  |  |  |  |  |  |  |
Common shares issued under the 2020 ATM,shares |  |  |  |  |  |  |  |
Balance at Sep. 30, 2019 | $ 197 | $ 141,753 | $ (108,058) | $ (255) | $ (6,027) |  | $ 27,610 |
Balance, shares at Sep. 30, 2019 | 19,653,000 |  |  |  |  |  |  |
Balance at Dec. 31, 2019 | $ 308 | 201,813 | (112,143) | 265 | (6,053) | (10) | 84,180 | [1]
Balance, shares at Dec. 31, 2019 | 30,804,000 |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | (1,123) | (3,426) |  |  |  | (4,549) |
Foreign currency translation adjustment |  |  |  | (2,326) |  | (20) | (2,346) |
Issuance of restricted shares |  |  |  |  |  |  |  |
Issuance of restricted shares, shares | 40,000 |  |  |  |  |  |  |
Shares repurchased pursuant to vesting of restricted stock |  |  |  |  |  |  |  |
Stock based compensation |  | 1,155 |  |  |  |  | 1,155 |
Shares issued pursuant to exercise of stock options | $ 1 | $ 382 |  |  |  |  | $ 383 |
Shares issued pursuant to exercise of stock options, shares | 90,000 |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration |  |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration shares |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares, shares | (32,000) |  |  |  |  |  |  |
Net income (loss) attributable to non-controlling interest |  |  |  |  |  | (15) | (15) |
Vesting of restricted stock units | $ 1 | (1) |  |  |  |  |  |
Vesting of restricted stock units, shares | 110,000 |  |  |  |  |  |  |
Other |  | 62 |  |  |  |  | 62 |
Shares withheld pursuant to exercise of stock options |  |  |  |  | $ (256) |  | $ (256) |
Shares withheld pursuant to vesting of restricted stock |  |  |  |  | (232) |  | (232) |
Common shares issued under the 2020 ATM |  |  |  |  |  |  |  |
Common shares issued under the 2020 ATM,shares |  |  |  |  |  |  |  |
Balance at Mar. 31, 2020 | $ 310 | 202,288 | (115,569) | (2,061) | (6,541) | (45) | 78,382 |
Balance, shares at Mar. 31, 2020 | 31,012,000 |  |  |  |  |  |  |
Balance at Dec. 31, 2019 | $ 308 | 201,813 | (112,143) | 265 | (6,053) | (10) | 84,180 | [1]
Balance, shares at Dec. 31, 2019 | 30,804,000 |  |  |  |  |  |  |
Net loss attributable to common stockholders |  |  |  |  |  |  | (10,064) |
Balance at Sep. 30, 2020 | $ 322 | 206,302 | (118,785) | (1,677) | (6,607) | (35) | 79,520 |
Balance, shares at Sep. 30, 2020 | 32,233,000 |  |  |  |  |  |  |
Balance at Mar. 31, 2020 | $ 310 | 202,288 | (115,569) | (2,061) | (6,541) | (45) | 78,382 |
Balance, shares at Mar. 31, 2020 | 31,012,000 |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | (1,140) | (2,626) |  |  |  | (3,766) |
Foreign currency translation adjustment |  |  |  | 406 |  | 2 | 408 |
Issuance of restricted shares | $ 3 | $ (3) |  |  |  |  |  |
Issuance of restricted shares, shares | 276,000 |  |  |  |  |  |  |
Shares repurchased pursuant to vesting of restricted stock |  |  |  |  |  |  |  |
Stock based compensation |  | 1,012 |  |  |  |  | 1,012 |
Shares issued pursuant to exercise of stock options | $ 1 | $ 215 |  |  |  |  | $ 216 |
Shares issued pursuant to exercise of stock options, shares | 50,000 |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration |  |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration shares |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares, shares | (12,000) |  |  |  |  |  |  |
Net income (loss) attributable to non-controlling interest |  |  |  |  |  | (1) | (1) |
Vesting of restricted stock units |  |  |  |  |  |  |  |
Vesting of restricted stock units, shares | 17,000 |  |  |  |  |  |  |
Other |  |  |  |  |  |  |  |
Shares withheld pursuant to exercise of stock options |  |  |  |  |  |  |  |
Shares withheld pursuant to vesting of restricted stock |  |  |  |  | (16) |  | (16) |
Common shares issued under the 2020 ATM | $ 8 | $ 4,033 |  |  |  |  | $ 4,041 |
Common shares issued under the 2020 ATM,shares | 810,000 |  |  |  |  |  |  |
Balance at Jun. 30, 2020 | $ 322 | 206,405 | (118,195) | (1,655) | (6,557) | (44) | 80,276 |
Balance, shares at Jun. 30, 2020 | 32,153,000 |  |  |  |  |  |  |
Net loss attributable to common stockholders |  | (1,159) | (590) |  |  |  | (1,749) |
Foreign currency translation adjustment |  |  |  | (22) |  | 3 | (19) |
Issuance of restricted shares | $ 1 | $ (1) |  |  |  |  |  |
Issuance of restricted shares, shares | 126,000 |  |  |  |  |  |  |
Shares repurchased pursuant to vesting of restricted stock |  |  |  |  |  |  |  |
Stock based compensation |  | 1,028 |  |  |  |  | 1,028 |
Shares issued pursuant to exercise of stock options |  | $ 28 |  |  |  |  | $ 28 |
Shares issued pursuant to exercise of stock options, shares | 5,000 |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration |  |  |  |  |  |  |  |
Shares issued related to Keytroller acquisition consideration shares |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition |  |  |  |  |  |  |  |
Shares issued pursuant to acquisition shares |  |  |  |  |  |  |  |
Forfeiture of restricted shares | $ (1) | $ 1 |  |  |  |  |  |
Forfeiture of restricted shares, shares | (55,000) |  |  |  |  |  |  |
Net income (loss) attributable to non-controlling interest |  |  |  |  |  | $ 6 | $ 6 |
Vesting of restricted stock units |  |  |  |  |  |  |  |
Vesting of restricted stock units, shares | 4,000 |  |  |  |  |  |  |
Shares withheld pursuant to exercise of stock options |  |  |  |  |  |  |  |
Shares withheld pursuant to vesting of restricted stock |  |  |  |  | (50) |  | (50) |
Common shares issued under the 2020 ATM |  |  |  |  |  |  |  |
Common shares issued under the 2020 ATM,shares |  |  |  |  |  |  |  |
Balance at Sep. 30, 2020 | $ 322 | $ 206,302 | $ (118,785) | $ (1,677) | $ (6,607) | $ (35) | $ 79,520 |
Balance, shares at Sep. 30, 2020 | 32,233,000 |  |  |  |  |  |  |
[1] | Derived from audited balance sheet as of December 31, 2019.

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