Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)

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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Cash flows from operating activities:      
Net loss $ (5,027) $ (18,537)  
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:      
Depreciation and amortization 1,251 1,940  
Asset impairments   22,750  
(Gain) loss on sale of fixed assets, net (25) 9  
Stock-based compensation expense 571 313  
Changes in operating assets and liabilities:      
Contract receivables and retainage, net (7,657) (2,779)  
Contract assets 2,065 (3,851)  
Prepaid expenses, inventory and other current assets (2,070) 228  
Accounts payable 346 1,756  
Contract liabilities (2,450) (3,317)  
Accrued expenses and other current liabilities 1,792 2,199  
Noncurrent assets and liabilities, net (147) (353)  
Net cash provided by (used in) operating activities (11,351) 358  
Cash flows from investing activities:      
Capital expenditures (440) (460)  
Proceeds from sale of property and equipment 25 39  
Net cash used in investing activities (415) (421)  
Cash flows from financing activities:      
Tax payments for vested stock withholdings (59) (100)  
Net cash used in financing activities (59) (100)  
Net decrease in cash, cash equivalents and restricted cash (11,825) (163)  
Cash, cash equivalents and restricted cash, beginning of period 54,589 43,159 $ 43,159
Cash, cash equivalents and restricted cash, end of period $ 42,764 $ 42,996 $ 54,589