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Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Cash and cash equivalents at end of period | $ 81,840 | $ 66,185
Accounts receivable | 232,153 | 177,424
Contract assets | 83,310 | 84,975
Sterling’s receivables from and equity in construction joint ventures | 16,896 | 16,653
Other current assets | 20,492 | 16,306
Property and equipment, net | 204,316 | 126,668
Operating lease right-of-use assets | 24,520 | 16,515
Goodwill | 259,791 | 192,014
Accounts payable | 144,982 | 95,201
Contract liabilities | 127,932 | 114,019
Current maturities of long-term debt | 28,230 | 77,434
Current portion of long-term lease obligations | 8,841 | 7,588
Accrued compensation | 22,803 | 18,013
Other current liabilities | 18,972 | 9,629
Total long-term debt | 428,588 | 291,249
Long-term lease obligations | 15,831 | 8,958
Other long-term liabilities | $ 4,819 | $ 10,584
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized (in shares) | 38,000,000 | 38,000,000
Common stock, shares issued (in shares) | 29,838,000 | 28,279,000
Common stock, shares outstanding (in shares) | 29,838,000 | 28,184,000
Treasury stock (in shares) | 0 | 95,000
Variable Interest Entity, Primary Beneficiary |  |
Cash and cash equivalents at end of period | $ 35,378 | $ 26,122
Accounts receivable | 26,176 | 25,789
Contract assets | 10,249 | 8,370
Sterling’s receivables from and equity in construction joint ventures | 7,058 | 9,708
Other current assets | 1,087 | 1,493
Property and equipment, net | 10,420 | 6,010
Operating lease right-of-use assets | 5,097 | 4,213
Goodwill | 1,501 | 1,501
Accounts payable | 23,611 | 19,505
Contract liabilities | 22,583 | 17,678
Current maturities of long-term debt | 4,857 | 6,793
Current portion of long-term lease obligations | 2,334 | 1,801
Accrued compensation | 2,388 | 2,141
Other current liabilities | 889 | 1,374
Total long-term debt | 81 | 53
Long-term lease obligations | 2,763 | 2,412
Other long-term liabilities | $ 0 | $ 722

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