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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2020
Accounting Policies [Abstract]  
Disaggregation of Revenue
The following table shows the Company's revenue disaggregated by product or service type for the three and six months ended June 30, 2020 and 2019:

Three months ended June 30,Six months ended June 30,
(in thousands)
(in thousands)
2020201920202019
Compressors - sales
$1,360  $4,788  $2,212  $7,496  
Flares - sales
160  106  240  541  
Other (parts/rebuilds) - sales488  920  1,006  1,902  
Service and maintenance266  509  606  988  
Total revenue from contracts with customers
2,274  6,323  4,064  10,927  
Add: ASC 842 rental revenue15,131  13,572  31,231  26,959  
Total revenue
$17,405  $19,895  $35,295  $37,886  
Schedule of Contract with Customer, Asset and Liability
As of June 30, 2020 and December 31, 2019, we had the following receivables and deferred income from contracts with customers:
(in thousands)
June 30, 2020December 31, 2019
Accounts Receivable
Accounts receivable - contracts with customers$3,176  $3,061  
Accounts receivable - ASC 8429,470  6,963  
Total Accounts Receivable
$12,646  $10,024  
Less: Allowance for doubtful accounts(972) (918) 
Total Accounts Receivable, net
$11,674  $9,106  
Deferred income
$125  $640  
Schedules of Revisions of Prior Period Financial Statements The following is a summary of the revisions to our unaudited, condensed consolidated financial statements for the three and six months ended June 30, 2019:
Revised Condensed Consolidated Statements of Operations

For the three months ended June 30, 2019
($ in thousands)As ReportedRevisionsAs Revised
Total revenue$19,895  $—  $19,895  
Operating costs and expenses:
Cost of rentals, exclusive of depreciation stated separately below6,359  254  6,613  
Depreciation and amortization5,683  37  5,720  
Total operating costs and expenses19,302  291  19,593  
  Operating income (loss)593  (291) 302  
Income before provision for income taxes770  (291) 479  
Income tax (expense) benefit(197) 45  (152) 
  Net income (loss)573  (246) 327  
  Earnings (loss) per share, basic0.04  (0.02) 0.02  
  Earnings (loss) per share, diluted0.04  (0.02) 0.02  

For the six months ended June 30, 2019
($ in thousands)As ReportedRevisionsAs Revised
Total revenue$37,886  $—  $37,886  
Operating costs and expenses:
Cost of rentals, exclusive of depreciation stated separately below12,244  589  12,833  
Depreciation and amortization11,241  56  11,297  
Total operating costs and expenses37,084  645  37,729  
  Operating income (loss)802  (645) 157  
Income before provision for income taxes1,280  (645) 635  
Income tax (expense) benefit(350) 140  (210) 
  Net income (loss)930  (505) 425  
  Earnings (loss) per share, basic0.07  (0.04) 0.03  
  Earnings (loss) per share, diluted0.07  (0.04) 0.03  
Revised Condensed Consolidated Statement of Stockholders' Equity

For the six months ended June 30, 2019
($ in thousands)As ReportedRevisionsAs Revised
Retained earnings balance at January 1, 2019$152,291  $(949) $151,342  
Total stockholders' equity at January 1, 2019260,181  (949) 259,232  
Net income (loss) for the three months ended March 31, 2019357  (259) 98  
Retained earnings balance at March 31, 2019152,648  (1,208) 151,440  
Total stockholders' equity at March 31, 2019261,396  (1,208) 260,188  
Net income (loss) for the three months ended June 30, 2019573  (246) 327  
Retained earnings balance at June 30, 2019153,221  (1,454) 151,767  
Total stockholders' equity at June 30, 2019262,570  (1,454) 261,116  


Revised Condensed Consolidated Statement of Cash Flows

For the six months ended June 30, 2019
($ in thousands)As ReportedRevisionsAs Revised
Cash flows from operating activities:
Net income$930  $(505) $425  
Depreciation and amortization11,241  56  11,297  
Deferred taxes356  (137) 219  
Inventory decrease1,200  1,111  2,311  
Prepaid expenses and prepaid income taxes increase(22) (203) (225) 
    Net cash provided by operating activities6,447  322  6,769  
Cash flows from operating activities:
Purchase of rental equipment, property and other equipment(29,402) (322) (29,724) 
    Net cash used in investing activities(29,476) (322) (29,798) 
    Net change in cash and cash equivalents(22,717) —  (22,717)