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v3.22.2.2

REVENUE (Tables) | 3 Months Ended
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Jun. 30, 2022
Schedule of net sales on a disaggregated basis by market and contract type | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net Sales by market |  | Defense |  | Industrial |  | Totals
Three months ended June 30, 2022 | ​ | $ | 6,840,924 | ​ | $ | 235,433 | ​ | $ | 7,076,357
Three months ended June 30, 2021 | ​ | $ | 3,103,132 | ​ | $ | 309,097 | ​ | $ | 3,412,229
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net Sales by contract type |  | Over-time |  | Point-in-time |  | Totals
Three months ended June 30, 2022 | ​ | $ | 6,622,093 | ​ | $ | 454,264 | ​ | $ | 7,076,357
Three months ended June 30, 2021 | ​ | $ | 3,122,649 | ​ | $ | 289,580 | ​ | $ | 3,412,229
Schedule of contract assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Progress | ​ | ​
​ |  | Unbilled |  | payments |  | Total
June 30, 2022 | ​ | $ | 15,185,780 | ​ | $ | (6,383,138) | ​ | $ | 8,802,642
March 31, 2022 | ​ | $ | 14,216,187 | ​ | $ | (5,865,956) | ​ | $ | 8,350,231
Sales |
Schedule of revenues from customers who accounted for more than 10% of our net sales | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, 2022 |  | June 30, 2021 | ​
Customer |  | Amount |  | Percent |  | Amount |  | Percent | ​
A | ​ | $ | 1,296,387 |  | 18 | % | $ | 1,303,772 |  | 38 | %
B | ​ | $ | 1,763,591 |  | 25 | % | $ | * |  | * | %
C | ​ | $ | 735,758 |  | 11 | % | $ | 938,856 |  | 28 | %
D | ​ | $ | 1,071,874 |  | 15 | % | $ | * |  | * | %
*Less than 10% of total

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