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v3.19.2

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Balance at the beginning of the period (in shares) at Dec. 31, 2017 |  | 11,869 |  |  |
Balance at the beginning of the period at Dec. 31, 2017 | $ 19,292 | $ 1 | $ 127,493 | $ 2 | $ (108,204)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Issuance of common stock under employee stock option and stock purchase plans (in shares) |  | 74 |  |  |
Issuance of common stock under employee stock option and stock purchase plans | 0 |  |  |  |
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units (in shares) |  | (12) |  |  |
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units | (32) |  | (32) |  |
Stock-based compensation | 195 |  | 195 |  |
Foreign currency translation adjustments | 1 |  |  | 1 |
Net loss from continuing operations | (2,390) |  |  |  | (2,390)
Balance at the end of the period (in shares) at Mar. 31, 2018 |  | 11,931 |  |  |
Balance at the end of the period at Mar. 31, 2018 | 17,066 | $ 1 | 127,656 | 3 | (110,594)
Balance at the beginning of the period (in shares) at Dec. 31, 2017 |  | 11,869 |  |  |
Balance at the beginning of the period at Dec. 31, 2017 | 19,292 | $ 1 | 127,493 | 2 | (108,204)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Foreign currency translation adjustments | (3) |  |  |  |
Balance at the end of the period (in shares) at Jun. 30, 2018 |  | 12,047 |  |  |
Balance at the end of the period at Jun. 30, 2018 | 15,508 | $ 1 | 127,906 | (1) | (112,398)
Balance at the beginning of the period (in shares) at Mar. 31, 2018 |  | 11,931 |  |  |
Balance at the beginning of the period at Mar. 31, 2018 | 17,066 | $ 1 | 127,656 | 3 | (110,594)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Issuance of common stock under employee stock option and stock purchase plans (in shares) |  | 119 |  |  |
Issuance of common stock under employee stock option and stock purchase plans | 22 | $ 22 |  |  |
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units (in shares) |  | (3) |  |  |
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units | (7) |  | (7) |  |
Stock-based compensation | 235 |  | 235 |  |
Foreign currency translation adjustments | (4) |  |  | (4) |
Net loss from continuing operations | (1,804) |  |  |  | (1,804)
Balance at the end of the period (in shares) at Jun. 30, 2018 |  | 12,047 |  |  |
Balance at the end of the period at Jun. 30, 2018 | 15,508 | $ 1 | 127,906 | (1) | (112,398)
Balance at the beginning of the period (in shares) at Dec. 31, 2018 |  | 12,091 |  |  |
Balance at the beginning of the period at Dec. 31, 2018 | 11,052 | $ 1 | 128,367 | (1) | (117,315)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Issuance of common stock under employee stock option and stock purchase plans (in shares) |  | 150 |  |  |
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units (in shares) |  | (50) |  |  |
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units | (111) |  | (111) |  |
Stock-based compensation | 543 |  | 543 |  |
Net loss from continuing operations | (2,865) |  |  |  | (2,865)
Balance at the end of the period (in shares) at Mar. 31, 2019 |  | 12,191 |  |  |
Balance at the end of the period at Mar. 31, 2019 | 8,433 | $ 1 | 128,799 | (1) | (120,366)
Balance at the beginning of the period (in shares) at Dec. 31, 2018 |  | 12,091 |  |  |
Balance at the beginning of the period at Dec. 31, 2018 | 11,052 | $ 1 | 128,367 | (1) | (117,315)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Foreign currency translation adjustments | (2) |  |  |  |
Balance at the end of the period (in shares) at Jun. 30, 2019 |  | 12,370 |  |  |
Balance at the end of the period at Jun. 30, 2019 | 6,152 | $ 1 | 128,774 | (3) | (122,620)
Balance at the beginning of the period (in shares) at Mar. 31, 2019 |  | 12,191 |  |  |
Balance at the beginning of the period at Mar. 31, 2019 | 8,433 | $ 1 | 128,799 | (1) | (120,366)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Issuance of common stock under employee stock option and stock purchase plans (in shares) |  | 179 |  |  |
Issuance of common stock under employee stock option and stock purchase plans | 0 |  | 0 |  |
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units (in shares) |  | 0 |  |  |
Common stock withheld in lieu of income tax withholding on vesting of restricted stock units | (5) |  | (5) |  |
Stock-based compensation | (20) |  | (20) |  |
Foreign currency translation adjustments | (2) |  |  | (2) |
Net loss from continuing operations | (2,254) |  |  |  | (2,254)
Balance at the end of the period (in shares) at Jun. 30, 2019 |  | 12,370 |  |  |
Balance at the end of the period at Jun. 30, 2019 | $ 6,152 | $ 1 | $ 128,774 | $ (3) | $ (122,620)

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