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Consolidated Statements of Operations - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Income Statement [Abstract] |  |
Net revenues | $ 7,591 | $ 5,716
Cost of revenue | 5,677 | 4,566
Gross profit | 1,914 | 1,150
Operating expenses: |  |
General and administrative | 3,335 | 4,194
Selling | 410 | 490
Total operating expenses | 3,745 | 4,684
Foreign joint ventures: |  |
Equity income from joint ventures | 953 | 656
Loss on liquidation of investment in MIEFE | (210) |
Joint venture operations' related expenses | (142) | (250)
Net equity income from foreign joint venture operations | 601 | 406
Loss from operations | (1,230) | (3,128)
Other income (expense): |  |
Interest expense | (24) | (50)
Other income (expense) | (116) | 26
Total other expense | (140) | (24)
Loss from continuing operations before income tax expense (benefit) | (1,370) | (3,152)
Income tax provision (benefit) | 291 | (2,955)
Net loss from continuing operations | (1,661) | (197)
Loss from discontinued operations, including gain on the sale of $4,521 | (896) | (2,031)
Net loss | (2,557) | (2,228)
Dividend and accretion of discount on redeemable convertible preferred stock | (360) | (356)
Net loss attributable to common stockholders | $ (2,917) | $ (2,584)
Loss per common share - basic and diluted: |  |
Continuing operations | $ (0.23) | $ (0.06)
Discontinued operations | (0.10) | (0.24)
Consolidated operations | $ (0.33) | $ (0.30)
Weighted - average number of common shares outstanding: |  |
Basic and diluted | 8,892,585 | 8,525,645

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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- Definition Expenses recognized in the period that are directly related to the selling and distribution of products or services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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- Definition Accretion of temporary equity during the period due to cash, stock, and in-kind dividends. This item is an adjustment to net income necessary to derive net income apportioned to common stockholders and is to be distinguished from Temporary Equity, Accretion of Dividends (Temporary Equity, Accretion of Dividends). + References No definition available. + Details
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- Definition Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). + References No definition available. + Details
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