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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Cash flows from operating activities    
Net income (loss) $ (1,118,000) $ 22,308,000
Adjustments to reconcile net income (loss) to net cash provided by operating activities    
Depreciation 777,000 413,000
Amortization of intangible assets 933,000 688,000
Stock-based compensation 1,505,000 1,113,000
Non cash lease expense 410,000 148,000
Change in fair value of contingent consideration (491,000) (63,000)
Change in fair value of warrant liability 121,000 (21,914,000)
Loss on disposal of assets held for rent, net 65,000 0
Other 1,000 0
Change in operating assets and liabilities    
Accounts receivable, trade, net (2,663,000) (2,929,000)
Inventories (65,000) 143,000
Prepaid expenses and other current assets 52,000 317,000
Accounts payable 604,000 561,000
Accrued expenses and other current liabilities 1,689,000 304,000
Other 0 (402,000)
Net cash provided by operating activities 1,820,000 687,000
Cash flows from investing activities    
Purchases of property and equipment (1,720,000) (146,000)
Deposits on property and equipment (672,000) 0
Purchases of assets held for lease (2,038,000) (1,081,000)
Proceeds from sale of equipment 3,000 0
Net cash used in investing activities (4,427,000) (1,227,000)
Cash flows from financing activities    
Proceeds from exercise of common stock options 243,000 490,000
Proceeds from exercise of warrants 0 9,000
Other (79,000) (7,000)
Net cash provided by financing activities 1,216,000 492,000
Net decrease in cash, cash equivalents, and restricted cash (1,391,000) (48,000)
Cash, cash equivalents, and restricted cash – beginning of year 90,456,000 6,448,000
Cash, cash equivalents, and restricted cash – end of year 89,065,000 6,400,000
Non-cash investing and financing activities    
Cashless exercise of warrants reclassed from warrant liability to common stock 2,901,000 0
Equipment acquired under operating leases 1,232,000 0
Equipment acquired under finance leases 440,000 0
Reclassification of property and equipment, net to assets held for rent, net 27,000 0
Reclassification of warrant liabilities to equity upon exercise 0 21,000
Purchase of property and equipment not yet paid 0 6,000
Bonus Consideration [Member]    
Non-cash investing and financing activities    
Stock issued 0 314,000
Equipment Loans [Member]    
Cash flows from financing activities    
Proceeds from Loan $ 1,052,000 $ 0