| Nov 30, 2011 | Dec 31, 2012 | Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 |
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Net loss | 1,615,647 | -767,365 | -193,156 | -2,991,969 | -5,296,022 | -3,272,613 | -4,918,699 | -4,743,745 | -1,338,566 | -1,758,716 | -1,337,923 | -5,497,175 |
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Depreciation and intangible asset amortization expense | - | - | - | 28,774 | 67,766 | 53,084 | 44,865 | 163,700 | 161,180 | 120,103 | 65,372 | 32,442 |
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Gain on forgiveness of note payable | - | - | - | - | - | - | - | - | - | - | 517,032 | - |
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Share-based compensation | - | - | - | - | - | - | 2 | 2 | 788,599 | 277,183 | 240,780 | 307,736 |
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Common stock issued for other expense | - | - | - | - | - | - | - | - | - | - | 67,000 | - |
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Provision for doubtful accounts | - | - | - | - | 30,873 | 50,127 | 14,267 | 13,755 | 32,651 | 13,425 | 16,844 | -54,708 |
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Provision for excess and obsolete inventory | - | - | - | - | - | - | - | - | - | 21,669 | -1,666 | -20,472 |
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Gain on lease termination | - | - | - | - | - | - | - | - | - | - | 15,832 | - |
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Loss on disposal of assets | - | - | - | - | - | - | - | - | -115,359 | -4,124 | -67,567 | -4,489 |
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Amortization of operating lease ROU asset | - | - | - | - | - | - | - | - | - | 190,183 | 204,521 | 103,003 |
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Goodwill impairment charges | - | - | - | - | - | - | - | - | - | - | - | 631,064 |
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Accounts receivable | -3,962 | 1,273 | -71 | - | - | - | - | - | - | - | - | -231,504 |
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Inventory | - | - | - | - | 997,771 | -513,897 | 50,732 | 385,227 | 71,386 | -882,466 | 49,551 | -50,387 |
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Prepaid expenses and other | - | - | - | - | - | - | - | -165,660 | 141,143 | 768,333 | 235,897 | 216,202 |
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Accounts payable and accrued liabilities | - | - | - | 204,525 | 2 | -749,709 | 289,905 | 61,767 | 23,830 | 26,157 | -476,450 | -175,409 |
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Deferred revenue | - | - | - | - | - | - | - | -313,161 | 802,674 | 2 | -884,350 | 1 |
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Accrued interest | - | - | - | 89,311 | 80,760 | 373,688 | -9,772 | - | - | 3,203 | 2,832 | - |
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Operating lease liability, net | - | - | - | - | - | - | - | - | - | - | -259,475 | -91,279 |
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Accrued equity compensation | - | - | - | - | - | - | - | - | - | - | 83,625 | 6,345 |
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Net cash used in operating activities | -69,427 | -1,548 | 6,501 | -2,062,991 | -1,685,358 | 103,496 | -2,266,976 | -2,848,773 | 671,833 | 818,036 | -3,207,190 | -3,189,543 |
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Purchases of property and equipment | - | - | - | - | - | 18,189 | 183,783 | 261,222 | 3,043 | 9,332 | 68,657 | 30,348 |
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Proceeds from the sale of property and equipment | - | - | - | - | - | 35,100 | - | - | - | - | 11,500 | 2,250 |
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Net cash used in investing activities | - | - | - | -235,995 | -169,599 | 41,619 | -204,995 | -182,487 | -3,043 | -9,332 | -57,157 | -28,098 |
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Payment of dividends on series B preferred stock | - | - | - | - | - | - | - | - | - | - | - | 35,984 |
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Redemption of series B preferred stock | - | - | - | - | - | - | - | - | - | - | - | 2 |
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Net cash proceeds on sale of common stock and warrants, net of expenses | - | - | - | - | - | - | - | - | - | - | - | 22 |
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Cash proceeds from sale of preferred stock and warrants, net of issuance costs | - | - | - | - | - | - | - | - | - | - | 3 | - |
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Proceeds from issuance of note payable | - | - | - | - | - | - | 500,000 | - | - | 554,000 | 514,200 | - |
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Net cash provided by financing activities | 901 | - | - | 3 | 1 | -156,126 | 5 | 816,448 | - | 554,000 | 3 | 20 |
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Net change in cash and cash equivalents | - | - | - | - | - | - | - | - | 668,790 | 1 | -125,273 | 16 |
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Income taxes paid | - | - | - | - | - | - | 44,150 | - | - | - | - | - |
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Adjustment of carrying value of series B preferred stock to redemption value | - | - | - | - | - | - | - | - | - | - | 2 | - |
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Conversion of series B preferred stock | - | - | - | - | - | - | - | - | - | - | - | 2 |
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Accrued series B interest payable settled in shares of common stock | - | - | - | - | - | - | - | - | - | - | 67,447 | - |
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Series A preferred stock converted into shares of common stock | - | - | - | - | - | - | - | - | - | - | 420 | - |
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Deemed dividend on series B preferred stock arising on down round | - | - | - | - | - | - | - | - | - | - | - | 439,999 |
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Dividend on redemption of series A preferred stock settled in shares of common stock | - | - | - | - | - | - | - | - | - | - | 20,595 | - |
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Right of Use asset arising on new office lease | - | - | - | - | - | - | - | - | - | - | 582,838 | - |
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Cashless exercise of prefunded warrants | - | - | - | - | - | - | - | - | - | - | - | 2 |
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