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v3.19.1

Commitments (Details Narrative) | 1 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2018 USD ($) ft² | Apr. 30, 2017 USD ($) ft² | Apr. 30, 2012 USD ($) | Jul. 31, 2011 ft² | Jun. 30, 2014 USD ($) ft² | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2014 ft²
Irrevocable and unconditional standby letter of credit |  |  |  |  |  | $ 749,369 | $ 665,373 |
Payment of lease |  |  |  |  |  | $ 457,321 | $ 502,716 |
EGEN Asset Purchase Agreement [Member] |  |  |  |  |  |  |  |
Area of premises | ft² |  |  |  |  | 11,500 |  |  |
Lease term |  |  |  |  | 1 year |  |  |
Operating lease, description |  |  |  |  |  | On February 1, 2019, we amended the current terms of the lease to increase the size of the premises by 2,285 square feet to 9,850 square feet and also extended the lease term by one year to September 1, 2023. In conjunction with the February 1, 2019 lease amendment, we agreed to modify our one-time option to cancel the lease as of the 36th month after the May 1, 2017 lease commencement date |  |
Operating leases, monthly rent payment in final year |  |  |  |  | $ 23,200 |  |  |
Standby Letter of Credit [Member] |  |  |  |  |  |  |  |
Contractual obligation reduction nineteen months from initial term |  |  | $ 50,000 |  |  |  |  |
Contractual obligation remaining |  |  | 100,000 |  |  |  |  |
Lawrenceville New Jersey [Member] |  |  |  |  |  |  |  |
Area of premises | ft² |  | 7,565 |  | 10,870 |  |  |  |
Lease term |  | 64 months |  | 66 months |  |  |  |
The number of months in which free rent is provided |  | 4 months |  | 6 months |  |  |  |
Payment for rent |  |  | 23,000 |  |  |  |  |
Operating leases, monthly rent payment in first year |  | $ 18,900 |  |  |  |  |  |
Operating leases, monthly rent payment in final year |  | $ 20,500 |  |  |  |  |  |
Lawrenceville New Jersey [Member] | Standby Letter of Credit [Member] |  |  |  |  |  |  |  |
Irrevocable and unconditional standby letter of credit |  |  | $ 250,000 |  |  |  |  |
Huntsville Alabama [Member] | EGEN Asset Purchase Agreement [Member] |  |  |  |  |  |  |  |
Area of premises | ft² | 9,049 |  |  |  |  |  |  | 2,285
Lease term | 60 months |  |  |  |  |  |  |
Operating leases, monthly rent payment | $ 18,100 |  |  |  |  |  |  |

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