The additional principal payable amount.

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The amount of bank fee payable.

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Term of the interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index.

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Target value to be tested as part of a covenant.

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Refers to the fixed charge coverage ratio.

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As part of a covenant the Company agreed to maintain a minimum USA liquidity amount.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value of the amount outstanding under the credit facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Expenses paid for obtaining loans which includes expenses such as application and origination fees.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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Carrying value as of the balance sheet date of current portion of long-term loans payable to bank due within one year or the operating cycle if longer.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the operating cycle if longer, excluding current portion.

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Debt (Details)			12 Months Ended
Debt (Details)	Feb. 15, 2019 USD ($)	May 11, 2018 USD ($)	Dec. 31, 2019 USD ($) Letter	Dec. 31, 2018 USD ($) Letter	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020 USD ($)	Apr. 17, 2020 USD ($)	Mar. 31, 2020 USD ($)	Jan. 08, 2020 USD ($) $ / shares	Jan. 06, 2020 USD ($)	Sep. 30, 2019	Jun. 30, 2019	Jun. 28, 2019
Line of Credit Facility [Abstract]
Number of letters of credit \| Letter			4
LIBOR [Member]
Line of Credit Facility [Abstract]
Term of variable rate				1 month
Revolving Credit Facility [Member]
Line of Credit Facility [Abstract]
Amount available at the reporting date			$ 3,800,000
Line of Credit [Member]
Line of Credit Facility [Abstract]
Number of letters of credit \| Letter				5
Outstanding letter of credit balance				$ 2,300,000
Citizen's Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility [Abstract]
Long-term debt				$ 0
Principal amount of the line of credit		$ 5,000,000	$ 5,000,000
Number of letters of credit \| Letter			4
Outstanding letter of credit balance			$ 1,200,000
Line of credit facility expiration period			3 years
Citizen's Bank [Member] \| Revolving Credit Facility [Member] \| Minimum [Member]
Line of Credit Facility [Abstract]
Percentage of letter of credit fees per annum			1.25%
Citizen's Bank [Member] \| Revolving Credit Facility [Member] \| Maximum [Member]
Line of Credit Facility [Abstract]
Percentage of letter of credit fees per annum			2.00%
Fifth Amendment and Reaffirmation Agreement [Member]
Line of Credit Facility [Abstract]
Leverage ratio			275.00%														275.00%	275.00%
Fifth Amendment and Reaffirmation Agreement [Member] \| Subsequent Event [Member]
Line of Credit Facility [Abstract]
Leverage ratio														275.00%
Fifth Amendment and Reaffirmation Agreement [Member] \| Plan [Member]
Line of Credit Facility [Abstract]
Leverage ratio							225.00%	225.00%	225.00%	225.00%	250.00%	250.00%
Fifth Amendment and Reaffirmation Agreement [Member] \| Minimum [Member]
Line of Credit Facility [Abstract]
Fixed charge coverage ratio																			105.00%
Fifth Amendment and Reaffirmation Agreement [Member] \| Maximum [Member]
Line of Credit Facility [Abstract]
Fixed charge coverage ratio																			125.00%
Sixth Amendment and Reaffirmation Agreement [Member] \| Subsequent Event [Member]
Line of Credit Facility [Abstract]
EBITDA target \| $ / shares															$ 4.25
Bank fee payable																$ 20,000
Additional principal payable														$ 1,000,000		$ 3,000,000
Sixth Amendment and Reaffirmation Agreement [Member] \| Plan [Member]
Line of Credit Facility [Abstract]
Additional principal payable												$ 1,000,000
Sixth Amendment and Reaffirmation Agreement [Member] \| Minimum [Member] \| Subsequent Event [Member]
Line of Credit Facility [Abstract]
Liquidity															$ 5,000,000
Seventh Amendment And Reaffirmation Agreement [Member] \| Subsequent Event [Member]
Line of Credit Facility [Abstract]
Leverage ratio													125.00%
Bank fee payable													$ 50,000
Additional principal payable													$ 750,000
Seventh Amendment And Reaffirmation Agreement [Member] \| Plan [Member]
Line of Credit Facility [Abstract]
Leverage ratio					225.00%	225.00%	225.00%	225.00%	225.00%	250.00%	300.00%
Additional principal payable												$ 500,000
Delayed Draw Term Loan [Member]
Long-term Debt, Current and Noncurrent [Abstract]
Long-term debt, net of discount			$ 18,481,000
Less: current portion of long-term debt			18,481,000
Long-term debt, less current portion			$ 0
Delayed Draw Term Loan [Member] \| Minimum [Member]
Line of Credit Facility [Abstract]
Debt instrument, basis spread on variable rate				2.00%
Delayed Draw Term Loan [Member] \| Maximum [Member]
Line of Credit Facility [Abstract]
Debt instrument, basis spread on variable rate				2.75%
Delayed Draw Term Loan [Member] \| Citizen's Bank [Member]
Line of Credit Facility [Abstract]
Line of credit facility term			5 years
Delayed Draw Term Loan [Member] \| Citizen's Bank [Member] \| Maximum [Member]
Line of Credit Facility [Abstract]
Line of credit facility expiration period			18 months
Delayed Draw Term Loan [Member] \| Citizen's Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility [Abstract]
Principal amount of the line of credit		25,000,000
DP Engineering Ltd, CO. [Member]
Term Loan [Abstract]
Cash purchase price	$ 14,855,000	13,500,000
Proceeds from issuance of debt	14,300,000	14,300,000
Earn-out amount	5,000,000		$ 2,000,000
DP Engineering Ltd, CO. [Member] \| Delayed Draw Term Loan [Member]
Line of Credit Facility [Abstract]
Line of credit facility term			5 years
Term Loan [Abstract]
Debt issuance costs			$ 0
Loan origination fees			$ 0
Earn-out amount	$ 5,000,000
DP Engineering Ltd, CO. [Member] \| Delayed Draw Term Loan [Member] \| Minimum [Member] \| LIBOR [Member]
Line of Credit Facility [Abstract]
Debt instrument, basis spread on variable rate	2.00%
DP Engineering Ltd, CO. [Member] \| Delayed Draw Term Loan [Member] \| Maximum [Member] \| LIBOR [Member]
Line of Credit Facility [Abstract]
Debt instrument, basis spread on variable rate	2.75%
True North Consulting, LLC [Member]
Term Loan [Abstract]
Cash purchase price		9,915,000
Proceeds from issuance of debt		10,300,000
True North Consulting, LLC [Member] \| Delayed Draw Term Loan [Member]
Line of Credit Facility [Abstract]
Line of credit facility term			5 years
Maturity date			May 11, 2023
Term Loan [Abstract]
Proceeds from issuance of debt		10,300,000
Repayments of debt		$ 500,000
Debt issuance costs			$ 70,000
Loan origination fees			$ 75,000
True North Consulting, LLC [Member] \| Delayed Draw Term Loan [Member] \| LIBOR [Member]
Line of Credit Facility [Abstract]
Term of variable rate			1 month
True North Consulting, LLC [Member] \| Delayed Draw Term Loan [Member] \| Minimum [Member] \| LIBOR [Member]
Line of Credit Facility [Abstract]
Debt instrument, basis spread on variable rate			2.00%
True North Consulting, LLC [Member] \| Delayed Draw Term Loan [Member] \| Maximum [Member] \| LIBOR [Member]
Line of Credit Facility [Abstract]
Debt instrument, basis spread on variable rate			2.75%