Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Activities
Net loss	$ (27,907)	$ (15,969)
Adjustments to reconcile net loss to net cash flow from operating activities:
Depreciation	18,063	20,377
Amortization - intangibles	753	691
Amortization - financing costs	804	711
Provision for losses on accounts receivable	1,383	777
Share-based compensation	698	559
Gain on sale of rental equipment and parts	(4,137)	(2,213)
Gain on insurance proceeds - damaged equipment	(2)	(120)
Major repair disposal	285	700
Change in fair value of derivative and warrants	5,846	5,963
Deferred tax expense (benefit)	3,826	652
Changes in assets and liabilities:
Accounts receivable	1,520	1,207
Inventory	(5,081)	176
Prepaid expenses and other	(5,545)	(34)
Accounts payable	(956)	(3,352)
Accrued expenses and other liabilities	(1,437)	(12,427)
Unearned income	(199)	(517)
Net cash flow from operating activities	(12,086)	(2,819)
Investing Activities
Purchase of equipment - rental equipment	(11,368)	(33,347)
Proceeds from sale of rental equipment and parts	14,789	9,960
Insurance proceeds from damaged equipment	627	365
Purchase of other property and equipment	(141)	(4,168)
Other	65	0
Net cash flow from investing activities	3,972	(27,190)
Financing Activities
Borrowings under revolving credit facilities	25,461	35,680
Repayments under revolving credit facilities	(16,431)	0
Repayments of notes payable	(182)	0
Capital lease payments	(955)	(1,737)
Net cash flow from financing activities	7,893	33,943
Net Change in Cash	(221)	3,934
Cash at Beginning of Period	3,412	6,302
Cash at End of Period	3,191	10,236
Supplemental Cash Flow Information
Cash paid for interest	26,287	24,977
Cash paid for income taxes	122	76
Non-Cash Investing and Financing Activities
Transfer of inventory to rental equipment	2,783	2,087
Rental equipment and property and equipment purchases in accounts payable	6,285	11,861
Rental equipment sales in accounts receivable	$ 1,505	$ 5,627