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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) (UNAUDITED) - USD ($) | Common Stock | Common Stock As Previously Reported [Member] | Additional Paid-in Capital | Additional Paid-in Capital As Previously Reported [Member] | Retained Earnings (Accumulated Deficit) [Member] | Retained Earnings (Accumulated Deficit) [Member] As Previously Reported [Member] | Retained Earnings (Accumulated Deficit) [Member] Restatement Adjustments [Member] | Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Loss As Previously Reported [Member] | Total | As Previously Reported [Member] | Restatement Adjustments [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance, beginning at Dec. 31, 2017 | $ 8,864 | $ 8,864 | $ 53,770,617 | $ 53,770,617 | $ (67,049,783) | $ 20,548,652 | $ (87,598,435) | $ (14,800) | $ (14,800) | $ (13,285,102) | $ 74,313,333 | $ (87,598,435)
Balance, beginning (in shares) at Dec. 31, 2017 | 8,864,319 | 8,864,319 |  |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (1,442,907) |  |  |  |  | (1,442,907) |  |
Change in unrealized loss from interest rate swap |  |  |  |  |  |  |  | (5,800) |  | (5,800) |  |
Common stock issued as employee compensation | $ 5 |  | (48,006) |  |  |  |  |  |  | (48,001) |  |
Common stock issued as employee compensation (in shares) | 5,130 |  |  |  |  |  |  |  |  |  |  |
Stock based compensation expense | $ 55 |  | 303,885 |  |  |  |  |  |  | 303,940 |  |
Stock based compensation expense (in shares) | 54,396 |  |  |  |  |  |  |  |  |  |  |
Balance, ending at Mar. 31, 2018 | $ 8,924 |  | 54,026,496 |  | (68,492,690) |  |  | (20,600) |  | (14,477,870) |  |
Balance, ending (in shares) at Mar. 31, 2018 | 8,923,845 |  |  |  |  |  |  |  |  |  |  |
Balance, beginning at Dec. 31, 2017 | $ 8,864 | $ 8,864 | 53,770,617 | 53,770,617 | (67,049,783) | 20,548,652 | (87,598,435) | (14,800) | $ (14,800) | (13,285,102) | 74,313,333 | (87,598,435)
Balance, beginning (in shares) at Dec. 31, 2017 | 8,864,319 | 8,864,319 |  |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  |  |  |  |  |  | (3,327,013) | 2,513,990 | (5,841,003)
Balance, ending at Jun. 30, 2018 | $ 8,938 |  | 54,276,172 |  | (70,376,796) |  |  |  |  | (16,091,686) |  |
Balance, ending (in shares) at Jun. 30, 2018 | 8,938,491 |  |  |  |  |  |  |  |  |  |  |
Balance, beginning at Mar. 31, 2018 | $ 8,924 |  | 54,026,496 |  | (68,492,690) |  |  | (20,600) |  | (14,477,870) |  |
Balance, beginning (in shares) at Mar. 31, 2018 | 8,923,845 |  |  |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (1,884,106) |  |  |  |  | (1,884,106) | 1,257,225 |
Change in unrealized loss from interest rate swap |  |  |  |  |  |  |  | $ 20,600 |  | 20,600 |  |
Common stock issued as employee compensation |  |  | 93,914 |  |  |  |  |  |  | 93,914 |  |
Stock based compensation expense | $ 14 |  | 155,762 |  |  |  |  |  |  | 155,776 |  |
Stock based compensation expense (in shares) | 14,646 |  |  |  |  |  |  |  |  |  |  |
Balance, ending at Jun. 30, 2018 | $ 8,938 |  | 54,276,172 |  | (70,376,796) |  |  |  |  | (16,091,686) |  |
Balance, ending (in shares) at Jun. 30, 2018 | 8,938,491 |  |  |  |  |  |  |  |  |  |  |
Balance, beginning at Dec. 31, 2018 | $ 11,718 | $ 11,718 | 70,651,413 | 70,651,413 | (74,596,536) | 22,760,215 | (97,356,751) |  |  | (3,933,405) | 93,423,346 | (97,356,751)
Balance, beginning (in shares) at Dec. 31, 2018 | 11,718,246 | 11,718,246 |  |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (934,716) |  |  |  |  | (934,716) |  |
Costs related to stock offering |  |  | (64,371) |  |  |  |  |  |  | (64,371) |  |
Common stock issued upon exercise of options (in shares) | 521 |  |  |  |  |  |  |  |  |  |  |
Stock based compensation expense | $ 18 |  | 330,769 |  |  |  |  |  |  | 330,787 |  |
Stock based compensation expense (in shares) | 17,619 |  |  |  |  |  |  |  |  |  |  |
Balance, ending at Mar. 31, 2019 | $ 11,736 |  | 70,917,811 |  | (75,531,252) |  |  |  |  | (4,601,705) |  |
Balance, ending (in shares) at Mar. 31, 2019 | 11,736,386 |  |  |  |  |  |  |  |  |  |  |
Balance, beginning at Dec. 31, 2018 | $ 11,718 | $ 11,718 | 70,651,413 | $ 70,651,413 | (74,596,536) | $ 22,760,215 | $ (97,356,751) |  |  | (3,933,405) | 93,423,346 | (97,356,751)
Balance, beginning (in shares) at Dec. 31, 2018 | 11,718,246 | 11,718,246 |  |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  |  |  |  |  |  | (1,815,883) | 4,369,055 | $ (6,184,938)
Balance, ending at Jun. 30, 2019 | $ 11,820 |  | 71,104,418 |  | (76,412,419) |  |  |  |  | (5,296,181) | 98,245,508 |
Balance, ending (in shares) at Jun. 30, 2019 | 11,820,390 |  |  |  |  |  |  |  |  |  |  |
Balance, beginning at Mar. 31, 2019 | $ 11,736 |  | 70,917,811 |  | (75,531,252) |  |  |  |  | (4,601,705) |  |
Balance, beginning (in shares) at Mar. 31, 2019 | 11,736,386 |  |  |  |  |  |  |  |  |  |  |
Net loss |  |  |  |  | (881,167) |  |  |  |  | (881,167) | 2,710,457 |
Common stock issued as employee compensation | $ 5 |  | 32,319 |  |  |  |  |  |  | 32,324 |  |
Common stock issued as employee compensation (in shares) | 4,950 |  |  |  |  |  |  |  |  |  |  |
Costs related to stock offering |  |  | (55,200) |  |  |  |  |  |  | (55,200) |  |
Stock based compensation expense | $ 79 |  | 209,488 |  |  |  |  |  |  | 209,567 |  |
Stock based compensation expense (in shares) | 79,054 |  |  |  |  |  |  |  |  |  |  |
Balance, ending at Jun. 30, 2019 | $ 11,820 |  | $ 71,104,418 |  | $ (76,412,419) |  |  |  |  | $ (5,296,181) | $ 98,245,508 |
Balance, ending (in shares) at Jun. 30, 2019 | 11,820,390 |  |  |  |  |  |  |  |  |  |  |

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