v3.21.1

Stockholders’ Deficit (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Schedule of Black Scholes pricing model with range of inputs |
|  | December 31, 2019 |
Expected volatility |  |  | 45 | %
Risk-free interest rate |  |  | 1.73 – 2.39 | %
Expected life in years |  |  | 5.56 |
Expected dividend yield |  |  | 0 | %
Schedule of unvested restricted shares |
|  | Number of shares |  |  | Weighted average grant date fair value per share |
Unvested as of December 31, 2019 |  |  | 303,150 |  |  |  | 3.58 |
Granted |  |  | 606,500 |  |  | $ | 5.94 |
Vested |  |  | (284,648 | ) |  |  | 3.64 |
Forfeited |  |  | (109,650 | ) |  |  | 3.08 |
Unvested as of December 31, 2020 |  |  | 515,352 |  |  | $ | 6.12 |
Warrant [Member] |
Schedule of the stock options activity |
|  | Number of shares |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual life (years) |
Outstanding at December 31, 2018 |  |  | 1,246,025 |  |  | $ | 3.60 |  |  |  | 3.60 |
Granted |  |  | — |  |  |  | — |  |  |  | — |
Exercised |  |  | (745,286 | ) |  |  | — |  |  |  | — |
Forfeited or expired |  |  | — |  |  |  | — |  |  |  | — |
Outstanding at December 31, 2019 |  |  | 500,739 |  |  | $ | 3.71 |  |  |  | 2.68 |
Granted |  |  | — |  |  |  | — |  |  |  | — |
Exercised |  |  | (15,000 | ) |  |  | — |  |  |  | — |
Forfeited or expired |  |  | — |  |  |  | — |  |  |  | — |
Outstanding at December 31, 2020 |  |  | 485,739 |  |  | $ | 3.63 |  |  |  | 1.65 |
Stock Options [Member] |
Schedule of the stock options activity |
|  | Number of shares |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual life (years) |  |  | Aggregate Intrinsic value |
Outstanding at December 31, 2019 |  |  | 2,253,206 |  |  | $ | 2.60 |  |  |  | 8.19 |  |  |  |  |
Granted |  |  | — |  |  | $ | — |  |  |  | — |  |  |  |  |
Exercised |  |  | (85,939 | ) |  |  | 1.28 |  |  |  | — |  |  |  |  |
Forfeited or expired |  |  | (1,514,627 | ) |  |  | 3.38 |  |  |  | — |  |  |  |  |
Outstanding at December 31, 2020 |  |  | 652,640 |  |  | $ | 0.91 |  |  |  | 6.38 |  |  | $ | 4,063,176 |
Vested and expected to vest at December 31, 2020 |  |  | 652,640 |  |  | $ | 0.91 |  |  |  | 6.38 |  |  | $ | 4,063,176 |
Exercisable at December 31, 2020 |  |  | 640,478 |  |  | $ | 0.90 |  |  |  | 6.4 |  |  | $ | 3,999,742 |

X
- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OptionIndexedToIssuersEquityTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |