The effect of the Restatement described above on the accompanying consolidated statement of cash flows for the six months ended June 30, 2020 is as follows: (Details) - USD ($)	3 Months Ended						6 Months Ended		12 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Cash flows from operating activities:
Net Loss	$ 623,151	$ 1,232,543	$ 223,398	$ 839,765	$ (1,360,561)	$ (3,357,355)	$ 1,855,694	$ (4,717,916)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization							530,843	512,567
Amortization of debt issuance cost							28,107	56,055
Cash expended in excess of rent expense							(48,670)	(77,288)
Stock-based compensation expense							568,783	536,388
Bad debt expense							127,413	(73,352)
Changes in operating assets and liabilities:
Decrease in accounts receivable							(2,235,735)	144,537
Increase in contract assets							(4,266,430)	(285,875)
Increase in inventory							1,105,127	(799,600)
Increase in prepaid expenses and other current assets							(271,157)	(142,816)
Decrease in refundable income taxes							(647)	437,931
Increase in accounts payable and accrued expenses							69,246	2,473,901
Decrease in contract liabilities							(124,976)	1,433,720
Decrease in loss reserve							(344,443)	(350,434)
Net cash used in operating activities							(2,486,631)	(852,182)
Cash flows from investing activities:
Purchase of property and equipment							(11,952)	(8,000)
Net cash used in investing activities							(11,952)	(8,000)
Cash flows from financing activities:
Proceeds from PPP loan								4,795,000
Payments on long-term debt							(1,196,276)	(1,237,726)
Net cash provided by financing activities							(934,961)	3,557,274
Net increase in cash and restricted cash							(3,433,544)	2,697,092
Cash at beginning of period		$ 6,033,537		8,129,885		5,432,793	6,033,537	5,432,793	$ 5,432,793
Cash at end of period	$ 2,599,993		6,033,537		8,129,885		2,599,993	8,129,885	6,033,537
Supplemental schedule of cash flow information:
Cash paid during the year for interest							588,174	845,962
Cash (received) from income taxes							$ 5,923	(449,749)
Previously Reported [Member]
Cash flows from operating activities:
Net Loss			1,273,703	815,209	(596,831)	(2,812,519)		(3,409,350)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization								512,567
Amortization of debt issuance cost								56,055
Cash expended in excess of rent expense								(77,288)
Stock-based compensation expense								536,388
Bad debt expense								(73,352)
Changes in operating assets and liabilities:
Decrease in accounts receivable								144,537
Increase in contract assets								(285,875)
Increase in inventory								(1,767,122)
Increase in prepaid expenses and other current assets								(142,816)
Decrease in refundable income taxes								437,931
Increase in accounts payable and accrued expenses								2,332,263
Decrease in contract liabilities								1,433,720
Decrease in loss reserve								(549,840)
Net cash used in operating activities								(852,182)
Cash flows from investing activities:
Purchase of property and equipment								(8,000)
Net cash used in investing activities								(8,000)
Cash flows from financing activities:
Proceeds from PPP loan								4,795,000
Payments on long-term debt								(1,237,726)
Net cash provided by financing activities								3,557,274
Net increase in cash and restricted cash								2,697,092
Cash at beginning of period				8,129,885		5,432,793		5,432,793	5,432,793
Cash at end of period					8,129,885			8,129,885
Supplemental schedule of cash flow information:
Cash paid during the year for interest								845,962
Cash (received) from income taxes								(449,749)
Inventory Costing Errors [Member]
Cash flows from operating activities:
Net Loss			(1,071,395)	(112,446)	(510,244)	(315,999)		(826,243)	$ (2,010,084)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization
Stock-based compensation expense
Changes in operating assets and liabilities:
Decrease in accounts receivable
Increase in inventory								684,605
Increase in prepaid expenses and other current assets
Decrease in refundable income taxes
Increase in accounts payable and accrued expenses								141,638
Decrease in contract liabilities
Decrease in loss reserve
Net cash used in operating activities
Cash flows from investing activities:
Net cash used in investing activities
Cash flows from financing activities:
Net cash provided by financing activities
Loss Contract Reserve [Member]
Cash flows from operating activities:
Net Loss			$ 99,921	$ 206,159	(190,035)	$ (9,371)		(199,406)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization
Stock-based compensation expense
Changes in operating assets and liabilities:
Decrease in accounts receivable
Increase in inventory
Increase in prepaid expenses and other current assets
Decrease in refundable income taxes
Increase in accounts payable and accrued expenses
Decrease in contract liabilities
Decrease in loss reserve								199,406
Net cash used in operating activities
Cash flows from investing activities:
Net cash used in investing activities
Cash flows from financing activities:
Net cash provided by financing activities
Additional Inventory Reserve [Member]
Cash flows from operating activities:
Net Loss					$ (63,451)			(282,917)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization
Stock-based compensation expense
Changes in operating assets and liabilities:
Decrease in accounts receivable
Increase in inventory								282,917
Increase in prepaid expenses and other current assets
Decrease in refundable income taxes
Increase in accounts payable and accrued expenses
Decrease in contract liabilities
Decrease in loss reserve
Net cash used in operating activities
Cash flows from investing activities:
Net cash used in investing activities
Cash flows from financing activities:
Net cash provided by financing activities