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v3.19.1

Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2016 | 8,812,644 |  |  |  |
Balance at Dec. 31, 2016 | $ 9 | $ 46,669 | $ (205) | $ 30,976 | $ 77,449
Exercise of stock options (in shares) | 45,260 |  |  |  | 178,662
Exercise of stock options |  | 64 |  |  | $ 64
Stock repurchased (in shares) | (551,936) |  |  |  | (551,936)
Stock repurchased | $ (1) |  |  | (5,118) | $ (5,119)
Restricted stock granted (in shares) | 5,000 |  |  |  |
Restricted stock granted |  |  |  |  |
Cash dividends |  |  |  | (2,239) | (2,239)
Stock-based compensation expense |  | 665 |  |  | 665
Cancellation of restricted stock and stock options (in shares) | (1,056) |  |  |  |
Cancellation of restricted stock and stock options |  |  |  | (287) | (287)
Shares purchased under ESPP plan (in shares) | 9,110 |  |  |  |
Proceeds from employee stock purchase plan |  | 66 |  |  | 66
Unrealized gain on available-for-sale securities, net of tax |  |  | 36 |  | 36
Foreign currency translation adjustment |  |  | 104 |  | 104
Net loss |  |  |  | (14,172) | (14,172)
Balance (in shares) at Dec. 31, 2017 | 8,319,022 |  |  |  |
Balance at Dec. 31, 2017 | $ 8 | 47,464 | (65) | 9,160 | $ 56,567
Exercise of stock options (in shares) |  |  |  |  |
Stock repurchased (in shares) | (17,549) |  |  |  |
Stock repurchased |  |  |  | (147) | $ (147)
Cash dividends |  |  |  | (583) | (583)
Stock-based compensation expense |  | 463 |  |  | 463
Cancellation of restricted stock and stock options (in shares) | (1,200) |  |  |  |
Cancellation of restricted stock and stock options |  |  |  |  |
Shares purchased under ESPP plan (in shares) | 23,789 |  |  |  |
Proceeds from employee stock purchase plan |  | 39 |  |  | 39
Unrealized gain on available-for-sale securities, net of tax |  |  | (38) |  | (38)
Foreign currency translation adjustment |  |  | (78) |  | (78)
Net loss |  |  |  | (16,687) | (16,687)
Stock Issued During Period, Shares, New Issues | 8,306,535 |  |  |  |
Issuance of common stock | $ 9 | 9,874 |  |  | 9,883
Impact on retained earnings for change in revenue recognition policy at Dec. 31, 2017 |  |  |  | 2,782 | 2,782
Balance (in shares) at Dec. 31, 2018 | 16,630,597 |  |  |  |
Balance at Dec. 31, 2018 | $ 17 | $ 57,840 | $ (181) | $ (5,475) | $ 52,201

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