2. Receivables (Details) - USD ($) |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Allowance for doubtful accounts | $ 0 | $ 0 |
| Accounts receivable, net | 615,714 | 1,157,387 |
| Billed-federal government | ||
| Accounts receivable gross | 560,942 | 693,321 |
| Billed-commercial and other | ||
| Accounts receivable gross | 49,240 | 67,201 |
| Total billed | ||
| Accounts receivable gross | 610,182 | 760,522 |
| Unbilled | ||
| Accounts receivable gross | $ 5,532 | $ 396,865 |
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- Definition For unclassified balance sheet, amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Unbilled amounts (net of unliquidated progress payments) of government contract receivables. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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