Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 2,997	$ 37,927
Trade and other receivables, less allowance for doubtful accounts of $503 and $767	52,664	42,680
Contract assets	107,170	76,985
Inventories	59,651	29,177
Prepaid expenses and other	5,744	5,194
Total current assets	228,226	191,963
Property and equipment, net	121,266	110,184
Operating lease right-of-use assets	98,507	30,813
Goodwill	53,684	22,985
Intangible Assets, Net	39,376	10,518
Other assets	6,620	6,552
Total assets	547,679	373,015
Current liabilities:
Current portion of long-term debt	0	7,701
Accounts payable	32,267	12,993
Accrued liabilities	24,498	16,814
Contract liabilities	2,623	6,189
Current portion of operating lease liabilities	4,704	2,204
Total current liabilities	64,092	45,901
Borrowings on line of credit	86,761	0
Long-term debt	0	5,888
Long-term lease liabilities, operating leases	93,725	27,911
Deferred income taxes	10,984	12,481
Other long-term liabilities	8,734	11,208
Total liabilities	264,296	103,389
Commitments and contingencies (Note 13)
Stockholders’ equity:
Preferred stock, $.01 par value, 10,000,000 shares authorized, none issued or outstanding	0	0
Common stock, $.01 par value, 15,000,000 shares authorized, 9,870,567 and 9,805,437 shares issued and outstanding as of December 31, 2021 and 2020, respectively	99	98
Additional paid-in-capital	125,062	123,013
Retained earnings	159,904	148,381
Accumulated other comprehensive loss	(1,682)	(1,866)
Total stockholders’ equity	283,383	269,626
Total liabilities and stockholders’ equity	$ 547,679	$ 373,015

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).