Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Consolidated Statements of Operations [Abstract]
Net sales	$ 17,499,364	$ 19,564,981
Cost of sales	15,737,469	17,241,289
Gross profit	1,761,895	2,323,692
Selling and marketing	636,167	730,863
General and administrative	2,760,787	2,243,595
Research and development	80,357	106,814
Total operating expenses	3,477,311	3,081,272
Net income (loss) from operations	(1,715,416)	(757,580)
Other income (expense):
Interest expense	(431,544)	(391,437)
Other income (expense), net	5,826	52,878
Total other expense, net	(425,718)	(338,559)
Net income (loss) before income tax provision (benefit)	(2,141,134)	(1,096,139)
Income tax provision (benefit)		2,168
Net income (loss)	$ (2,141,134)	$ (1,098,307)
Earnings (loss) per share - basic and diluted	$ (0.74)	$ (0.39)
Weighted average common shares outstanding - basic and diluted	2,883,861	2,850,397