| Dec 31,
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 |
|---|
| Net income | 3 | 6 | 5 | 2 | 2 | 3 | -0 | -3 | 0 | 3 | 3 | 1 |
|---|
| Depreciation and amortization | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
|---|
| Non-cash interest expense | - | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 |
|---|
| Non-cash rent expense | - | - | - | - | - | - | - | - | 0 | -0 | 0 | - |
|---|
| Bad debt expense | 48,240 | 435,344 | 32,604 | 204,700 | 0 | - | 0 | 0 | 0 | -0 | 0 | - |
|---|
| Deferred revenue | - | - | - | - | - | - | - | - | -0 | -0 | -0 | -0 |
|---|
| Stock-based compensation | - | - | - | - | - | 0 | 1 | 1 | 1 | 0 | 1 | 1 |
|---|
| Deferred income taxes | - | - | - | - | - | 1 | 0 | 0 | -1 | -1 | -0 | 0 |
|---|
| Loss on sale of property and equipment | - | - | - | - | - | -0 | -0 | 0 | 0 | -0 | -0 | -0 |
|---|
| Accounts receivable | 1 | 1 | 2 | -54,915 | -1 | -0 | -1 | -2 | 0 | 1 | 2 | 1 |
|---|
| Inventories | 969,101 | 984,711 | 959,822 | -1,084,789 | 2 | 1 | 0 | -1 | 1 | 1 | 1 | 1 |
|---|
| Refundable income taxes | -865,432 | 43,512 | 930,119 | 125,849 | -1 | -0 | 2 | 0 | -2 | -1 | 0 | -0 |
|---|
| Prepaid expenses and other current assets | -78,685 | 17,508 | 6,185 | 123,599 | -0 | 1 | 0 | 0 | 1 | -0 | 0 | 0 |
|---|
| Accounts payable | 202,758 | -129,514 | 2 | -1,136,424 | 2 | -3 | 1 | -2 | 1 | 0 | 1 | 2 |
|---|
| Accrued expenses | 84,466 | 601,952 | 128,383 | 782,016 | 1 | 1 | 1 | -1 | 1 | -1 | 1 | 0 |
|---|
| Accrued income taxes | - | 254,311 | -254,311 | - | 0 | 1 | -0 | -0 | 0 | 1 | 0 | -1 |
|---|
| Net cash provided by operating activities | 4 | 7 | - | - | - | - | 4 | 2 | 4 | 6 | 6 | 4 |
|---|
| Purchases of property and equipment | 1 | 1 | 8 | 4 | 2 | 3 | 5 | 3 | 1 | 2 | 2 | 3 |
|---|
| Acquisition, net of cash acquired | - | - | - | - | - | - | - | - | - | - | 5 | 1 |
|---|
| Net cash used in investing activities | -2,112,657 | -1,555,914 | - | - | - | - | -5 | -3 | 1 | -2 | -7 | -4 |
|---|
| Purchase of treasury stock | - | - | - | - | - | 1 | 1 | 1 | 1 | 0 | 2 | 4 |
|---|
| Payment of deferred financing cost | - | - | - | - | - | - | - | 0 | - | - | 0 | - |
|---|
| Proceeds from note payable | 2 | 250,000 | - | - | - | - | - | - | - | - | 5 | - |
|---|
| Repayment of note payable | 4 | 2 | 624,912 | 877,214 | 1 | 1 | 1 | 6 | - | - | 1 | 1 |
|---|
| Net cash (used in) provided by financing activities | -4,044,153 | -3,900,691 | - | - | - | - | -2 | -2 | -4 | -0 | 3 | -5 |
|---|
| Net (decrease) increase in cash and cash equivalents | - | - | - | - | - | - | - | - | - | - | 1 | -5 |
|---|
| Cash paid for income taxes, net of (refunds) | - | - | - | - | - | 1 | 2 | 1 | -2 | -0 | 2 | 1 |
|---|
| Cash paid for interest | - | - | - | - | - | - | 0 | 0 | 0 | 0 | 0 | 0 |
|---|
| Increase in right-of-use assets and operating lease obligations | - | - | - | - | - | - | - | - | - | - | - | 0 |
|---|
| Business acquisition escrow payable | - | - | - | - | - | - | - | - | - | - | 1 | - |
|---|