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General (Tables)

3 Months Ended

Mar. 31, 2021

Accounting Policies [Abstract]

Schedule of Remaining Performance Obligations Expected to be Recognized

The remaining performance obligations expected to be recognized through 2022 are as follows:

		2021				2022				Total
Remaining performance obligations related to engineering only paid contracts		$	1,563,000			$	443,000			$	2,006,000
Remaining performance obligations related to partial equipment paid contracts			9,566,000				6,000			$	9,572,000
Total remaining performance obligations		$	11,129,000			$	449,000			$	11,578,000

Schedule of Revenue by Source

The following table sets forth the Company’s revenue by source:

		For the Three Months Ended March 31,
		2021				2020
Equipment and systems sales		$	2,163,468			$	1,606,946
Engineering and other services			181,083				131,591
Shipping and handling			21,978				71,388
Total revenue		$	2,366,529			$	1,809,925

Schedule of Share-based Compensation Costs

The following is a summary of share-based compensation expenses included in the condensed consolidated statements of operations for the three months ended March 31, 2021 and 2020:

		For the Three Months Ended March 31,
		2021				2020
Share-based compensation expense included in:
Cost of revenue		$	14,135			$	8,558
Advertising and marketing expenses			6,474				2,912
Product development costs			6,694				6,545
Selling, general and administrative expenses			31,833				172,874
Total share-based compensation expense included in consolidated statement of operations		$	59,136			$	190,889

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