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The effect of the Restatement described above on the accompanying consolidated statement of cash flows for the nine months ended September 30, 2020 is as follows: (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Cash flows from operating activities:                    
Net Loss $ 5,425,255 $ 623,151 $ 1,232,543 $ 223,398 $ 839,765 $ (1,360,561) $ (3,357,355) $ 7,280,949 $ (3,878,151)  
Adjustments to reconcile net loss to net cash used in operating activities:                    
Depreciation and amortization               796,888 769,690  
Amortization of debt issuance cost               28,107 80,764  
Cash expended in excess of rent expense                 (115,932)  
Stock-based compensation expense               723,432 677,489  
Bad debt expense               127,413 (47,410)  
Changes in operating assets and liabilities:                    
Increase in accounts receivable               (3,709,001) (232,310)  
Increase in contract assets               (3,030,953) (3,128,460)  
Increase in inventory               1,406,360 (1,646,411)  
Decrease in prepaid expenses and other current assets               (111,731) 121,075  
Decrease in refundable income taxes               439,445  
Increase in accounts payable and accrued expenses               (488,087) 5,857,369  
Decrease in contract liabilities               891,915 (1,092,266)  
Decrease in loss reserve                 (1,088,269)  
Net cash used in operating activities               (1,313,333) (3,283,377)  
Cash flows from investing activities:                    
Purchase of property and equipment               (19,305) (11,888)  
Net cash used in investing activities               (19,305) (11,888)  
Cash flows from financing activities:                    
Proceeds from PPP loan               4,795,000  
Payments on long-term debt               (1,851,633) (1,855,209)  
Debt issuance costs               (107,540)  
Net cash provided by financing activities               (1,590,318) 2,832,251  
Net decrease in cash and restricted cash               (2,922,956) (463,014)  
Cash at beginning of period     $ 6,033,537 4,969,779     5,432,793 6,033,537 5,432,793 $ 5,432,793
Cash at end of period $ 3,110,581     6,033,537 4,969,779     3,110,581 4,969,779 6,033,537
Supplemental schedule of cash flow information:                    
Cash paid during the year for interest               609,485 1,156,126  
Cash (received) from income taxes               $ 7,233 (449,749)  
Previously Reported [Member]                    
Cash flows from operating activities:                    
Net Loss       1,273,703 815,209 (596,831) (2,812,519)   (2,594,141)  
Adjustments to reconcile net loss to net cash used in operating activities:                    
Depreciation and amortization                 769,690  
Amortization of debt issuance cost                 80,764  
Cash expended in excess of rent expense                 (115,932)  
Stock-based compensation expense                 677,489  
Bad debt expense                 (47,410)  
Changes in operating assets and liabilities:                    
Increase in accounts receivable                 (232,310)  
Increase in contract assets                 (3,128,460)  
Increase in inventory                 (2,850,707)  
Decrease in prepaid expenses and other current assets                 121,075  
Decrease in refundable income taxes                 439,445  
Increase in accounts payable and accrued expenses                 5,770,902  
Decrease in contract liabilities                 (1,092,266)  
Decrease in loss reserve                 (1,081,516)  
Net cash used in operating activities                 (3,283,377)  
Cash flows from investing activities:                    
Purchase of property and equipment                 (11,888)  
Net cash used in investing activities                 (11,888)  
Cash flows from financing activities:                    
Proceeds from PPP loan                 4,795,000  
Payments on long-term debt                 (1,855,209)  
Debt issuance costs                 (107,540)  
Net cash provided by financing activities                 2,832,251  
Net decrease in cash and restricted cash                 (463,014)  
Cash at beginning of period       4,969,779     5,432,793   5,432,793 5,432,793
Cash at end of period         4,969,779       4,969,779  
Supplemental schedule of cash flow information:                    
Cash paid during the year for interest                 1,156,126  
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)   (938,689) (2,010,084)
Adjustments to reconcile net loss to net cash used in operating activities:                    
Bad debt expense                  
Changes in operating assets and liabilities:                    
Increase in inventory                 852,222  
Decrease in refundable income taxes                  
Increase in accounts payable and accrued expenses                 86,467  
Net cash used in operating activities                  
Cash flows from investing activities:                    
Purchase of property and equipment                  
Net cash used in investing activities                  
Cash flows from financing activities:                    
Debt issuance costs                  
Net cash provided by financing activities                  
Cash at beginning of period            
Cash at end of period                
Supplemental schedule of cash flow information:                    
Cash paid during the year for interest                  
Cash (received) from income taxes                  
Loss Contract Reserve [Member]                    
Cash flows from operating activities:                    
Net Loss       99,921 206,159 $ (190,035) (9,371)   6,753  
Adjustments to reconcile net loss to net cash used in operating activities:                    
Bad debt expense                  
Changes in operating assets and liabilities:                    
Decrease in refundable income taxes                  
Decrease in loss reserve                 (6,753)  
Net cash used in operating activities                  
Cash flows from investing activities:                    
Purchase of property and equipment                  
Net cash used in investing activities                  
Cash flows from financing activities:                    
Debt issuance costs                  
Net cash provided by financing activities                  
Cash at beginning of period            
Cash at end of period                
Supplemental schedule of cash flow information:                    
Cash paid during the year for interest                  
Cash (received) from income taxes                  
Additional Inventory Reserve [Member]                    
Cash flows from operating activities:                    
Net Loss         (69,157)       (352,074)  
Adjustments to reconcile net loss to net cash used in operating activities:                    
Bad debt expense                  
Changes in operating assets and liabilities:                    
Increase in inventory                 352,074  
Decrease in refundable income taxes                  
Net cash used in operating activities                  
Cash flows from investing activities:                    
Purchase of property and equipment                  
Net cash used in investing activities                  
Cash flows from financing activities:                    
Debt issuance costs                  
Net cash provided by financing activities                  
Cash at beginning of period            
Cash at end of period                
Supplemental schedule of cash flow information:                    
Cash paid during the year for interest                  
Cash (received) from income taxes