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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock [Member] | Treasury Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total
--- | --- | --- | --- | --- | --- | ---
BALANCE at Dec. 31, 2018 | $ 157 | $ (5,017) | $ 391,927 | $ (283,643) | $ (906) | $ 102,518
BALANCE (in Shares) at Dec. 31, 2018 | 15,282,000 |  |  |  |  |
Stock issued upon acquisition | $ 1 |  | 554 |  |  | 555
Stock issued upon acquisition (in Shares) | 123,000 |  |  |  |  |
Share based compensation |  |  | 611 |  |  | 611
Net loss |  |  |  | (2,894) |  | (2,894)
Other comprehensive income (loss) |  |  |  |  | 267 | 267
BALANCE at Mar. 31, 2019 | $ 158 | (5,017) | 393,092 | (286,537) | (639) | 101,057
BALANCE (in Shares) at Mar. 31, 2019 | 15,405,000 |  |  |  |  |
BALANCE at Dec. 31, 2018 | $ 157 | (5,017) | 391,927 | (283,643) | (906) | 102,518
BALANCE (in Shares) at Dec. 31, 2018 | 15,282,000 |  |  |  |  |
Net loss |  |  |  |  |  | (7,861)
BALANCE at Jun. 30, 2019 | $ 159 | (5,017) | 394,205 | (291,504) | (926) | 96,917
BALANCE (in Shares) at Jun. 30, 2019 | 15,551,000 |  |  |  |  |
BALANCE at Mar. 31, 2019 | $ 158 | (5,017) | 393,092 | (286,537) | (639) | 101,057
BALANCE (in Shares) at Mar. 31, 2019 | 15,405,000 |  |  |  |  |
Stock issued upon option exercise | $ 1 |  | 466 |  |  | $ 467
Stock issued upon option exercise (in Shares) | 93,000 |  |  |  |  | 85,000
Stock issued, ESPP |  |  | 255 |  |  | $ 255
Stock issued, ESPP (in Shares) | 53,000 |  |  |  |  |
Share based compensation |  |  | 392 |  |  | 392
Net loss |  |  |  | (4,967) |  | (4,967)
Other comprehensive income (loss) |  |  |  |  | (287) | (287)
BALANCE at Jun. 30, 2019 | $ 159 | (5,017) | 394,205 | (291,504) | (926) | 96,917
BALANCE (in Shares) at Jun. 30, 2019 | 15,551,000 |  |  |  |  |
BALANCE at Dec. 31, 2019 | $ 161 | (5,017) | 396,102 | (253,642) | (25) | 137,579
BALANCE (in Shares) at Dec. 31, 2019 | 15,714,000 |  |  |  |  |
Stock issued upon option exercise |  |  | 106 |  |  | 106
Stock issued upon option exercise (in Shares) | 29,000 |  |  |  |  |
Share based compensation |  |  | 438 |  |  | 438
Net loss |  |  |  | (1,767) |  | (1,767)
Other comprehensive income (loss) |  |  |  |  | 65 | 65
BALANCE at Mar. 31, 2020 | $ 161 | (5,017) | 396,646 | (255,409) | 40 | 136,421
BALANCE (in Shares) at Mar. 31, 2020 | 15,743,000 |  |  |  |  |
BALANCE at Dec. 31, 2019 | $ 161 | (5,017) | 396,102 | (253,642) | (25) | 137,579
BALANCE (in Shares) at Dec. 31, 2019 | 15,714,000 |  |  |  |  |
Net loss |  |  |  |  |  | (5,711)
BALANCE at Jun. 30, 2020 | $ 162 | (5,017) | 397,692 | (259,353) | 602 | 134,086
BALANCE (in Shares) at Jun. 30, 2020 | 15,841,000 |  |  |  |  |
BALANCE at Mar. 31, 2020 | $ 161 | (5,017) | 396,646 | (255,409) | 40 | 136,421
BALANCE (in Shares) at Mar. 31, 2020 | 15,743,000 |  |  |  |  |
Stock issued upon option exercise | $ 1 |  | 301 |  |  | $ 302
Stock issued upon option exercise (in Shares) | 66,000 |  |  |  |  | 58,479
Stock issued, ESPP |  |  | 157 |  |  | $ 157
Stock issued, ESPP (in Shares) | 32,000 |  |  |  |  |
Share based compensation |  |  | 588 |  |  | 588
Net loss |  |  |  | (3,944) |  | (3,944)
Other comprehensive income (loss) |  |  |  |  | 562 | 562
BALANCE at Jun. 30, 2020 | $ 162 | $ (5,017) | $ 397,692 | $ (259,353) | $ 602 | $ 134,086
BALANCE (in Shares) at Jun. 30, 2020 | 15,841,000 |  |  |  |  |

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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. 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http://asc.fasb.org/extlink&oid=108774443&loc=SL4568740-111683 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 65 -Paragraph 15 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=120409616&loc=SL4590271-111686 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 65 -Paragraph 2 -Subparagraph (f)(1) -URI http://asc.fasb.org/extlink&oid=121370832&loc=SL117420844-207641 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 45 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929471&loc=d3e21711-107793 Reference 15: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4568447-111683 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 65 -Paragraph 15 -Subparagraph (f)(1) -URI 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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant