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Series B Preferred Stock (Details Narrative) - USD ($) |  |  | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
May 30, 2018 | Apr. 24, 2018 | Jun. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017
Preferred stock, shares outstanding |  |  |  |  |
Value of common stock issued | $ 648,000 |  |  |  |
Shares issued price per share | $ 4.80 |  |  |  |
M&EC Series B Preferred Stock [Member] |  |  |  |  |
Preferred stock of subsidiary, shares outstanding |  |  |  | 1,284,730 |
Liquidation preference per share |  |  |  | $ 1.00 |
Purchase price of preferred stock |  |  |  | $ 1.00 |
Cumulative dividends rate |  |  |  | 5.00% |
Conversion of stock, description |  | On April 24, 2018, the Company announced a private exchange offer ("Exchange Offer"), to all 13 holders of the M&EC Series B Preferred Stock , to exchange in a private placement exempt from registration, for every share of Series B Preferred Stock tendered, (a) 0.1050805 shares of newly issued Common Stock of the Company, par value $.001 per share ("Common Stock"), and (b) cash in lieu of fractional shares of Common Stock that would otherwise be issuable to the tendering holder of Series B Preferred Stock, in an amount equal to such fractional share of Common Stock multiplied by the closing price per share of the Common Stock on the last trading day immediately preceding the expiration date of the Exchange Offer. The Exchange Offer was made on an all-or-none basis, for all 1,284,730 shares of Series B Preferred Stock outstanding and had an expiration date of May 30, 2018. |  |  |
Preferred stock, shares outstanding |  | 1,284,730 |  |  |
Voting capital stock |  | The Company owns 100% of the voting capital stock of M&EC. |  |  |
Number of common stock shares issued | 134,994 |  |  |  |
Number of preferred stock shares acquired | 1,284,730 |  |  |  |
Payment of cash in lieu | $ 29 |  |  |  |
Quarterly cash dividends and cumulative accrued and unpaid dividends | $ 1,022,000 |  |  |  |
Net gain |  |  | $ 1,596,000 |  |
Legal cost |  |  | $ 63,000 |  |

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