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UNAUDITED QUARTERLY DATA - Effect of Restatement on Previously Filed Balance Sheet (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Jul. 01, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Current assets: |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ 27,464 |  | $ 83,964 | $ 17,055 | $ 15,360 | $ 51,870 | $ 12,745 | $ 17,780 | $ 18,034 | $ 18,198 |
Accounts receivable | 21,712 |  | 15,748 | 19,443 | 14,707 | 9,815 | 6,834 | 6,662 | 6,892 | 5,607 |
Finance receivables, net | 6,260 |  | 4,603 | 2,234 | 3,296 | 1,441 | 9,743 | 2,149 | 1,442 | 3,349 |
Inventory, net | 10,908 |  | 8,038 | 11,923 | 12,019 | 8,876 | 5,192 | 3,677 | 4,438 | 3,926 |
Prepaid expenses and other current assets | 1,558 | $ 1,180 | 929 | 1,278 | 1,610 | 1,056 | 879 | 1,594 | 1,677 | 1,352 |
Deferred income taxes |  |  |  |  |  |  |  | 0 | 0 | 0 | $ 2,300
Total current assets | 67,902 |  | 113,282 | 51,933 | 46,992 | 73,058 | 35,393 | 31,862 | 32,483 | 32,432 |
Non-current assets: |  |  |  |  |  |  |  |  |  |  |
Finance receivables due after one year, net | 11,596 |  | 13,246 | 9,870 | 11,728 | 7,742 | 8,607 | 7,548 | 3,956 | 3,962 |
Other assets | 2,099 | 1,974 | 720 | 414 | 458 | 289 | 319 | 231 | 144 | 163 |
Property and equipment, net | 9,180 |  | 11,273 | 12,243 | 12,443 | 10,701 | 11,111 | 11,341 | 11,994 | 12,436 |
Deferred income taxes |  |  |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Intangibles, net | 26,171 |  | 29,325 | 30,119 | 30,910 | 578 | 622 | 666 | 711 | 754 |
Goodwill | 64,149 |  | 64,149 | 64,149 | 64,403 | 11,492 | 11,492 | 11,492 | 11,492 | 11,703 |
Total non-current assets | 113,195 |  | 118,713 | 116,795 | 119,942 | 30,802 | 32,151 | 31,278 | 28,297 | 29,018 |
Total assets | 181,097 |  | 231,995 | 168,728 | 166,934 | 103,860 | 67,544 | 63,140 | 60,780 | 61,450 |
Current liabilities: |  |  |  |  |  |  |  |  |  |  |
Accounts payable | 27,511 |  | 30,468 | 29,574 | 23,908 | 14,506 | 16,345 | 11,819 | 9,109 | 8,710 |
Accrued expenses | 23,258 |  | 19,291 | 18,508 | 16,623 | 12,217 | 11,873 | 8,792 | 7,541 | 8,135 |
Line of credit, net |  |  |  |  |  | 7,051 | 7,036 | 7,034 | 7,091 | 7,271 |
Capital lease obligations and current obligations under long-term debt | 12,497 |  | 34,639 | 4,470 | 5,488 | 2,628 | 3,198 | 3,785 | 4,331 | 4,952 |
Income taxes payable | 254 |  | 0 |  | 0 | 0 | 10 | 23 | 21 | 15 |
Deferred revenue | 1,539 | 1,638 | 511 | 511 | 730 | 439 | 268 | 310 | 478 | 94 |
Deferred gain from sale-leaseback transactions |  |  |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Total current liabilities | 65,059 |  | 84,909 | 53,063 | 46,749 | 36,841 | 38,730 | 31,763 | 28,571 | 29,177 |
Long-term liabilities: |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility |  |  |  | 10,000 | 10,000 |  |  |  |  |  |
Deferred income taxes | 71 |  | 67 | 96 | 91 | 109 | 94 | 78 | 63 | 47 |
Capital lease obligations and long-term debt, less current portion | 276 |  | 1,127 | 22,895 | 24,570 | 1,049 | 1,061 | 1,239 | 1,394 | 1,517 |
Accrued expenses, less current portion | 100 |  | 66 | 66 | 65 | 62 | 53 | 52 | 52 | 11 |
Deferred gain from sale-leaseback transactions, less current portion |  |  |  |  | 0 | 0 | 0 |  |  |  |
Total long-term liabilities | 447 |  | 1,260 | 33,057 | 34,726 | 1,220 | 1,208 | 1,369 | 1,509 | 1,575 |
Total liabilities | 65,506 |  | 86,169 | 86,120 | 81,475 | 38,061 | 39,938 | 33,132 | 30,080 | 30,752 |
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |
Temporary equity, preferred stock | 3,138 |  | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 |
Preferred stock | 0 |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Common stock | 376,853 |  | 375,436 | 310,522 | 310,150 | 286,296 | 245,999 | 245,463 | 245,230 | 244,996 |
Accumulated deficit | (264,400) | $ (232,372) | (232,748) | (231,052) | (227,829) | (223,635) | (221,531) | (218,593) | (217,668) | (217,436) |
Total shareholders’ equity | 112,453 |  | 142,688 | 79,470 | 82,321 | 62,661 | 24,468 | 26,870 | 27,562 | 27,560 | 19,328
Total liabilities, convertible preferred stock and shareholders’ equity | $ 181,097 |  | $ 231,995 | 168,728 | 166,934 | 103,860 | 67,544 | 63,140 | 60,780 | 61,450 |
As Previously Reported |  |  |  |  |  |  |  |  |  |  |
Current assets: |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  | 17,107 | 15,386 | 51,870 | 12,745 | 17,780 | 18,034 | 18,198 |
Accounts receivable |  |  |  | 23,166 | 15,472 | 10,288 | 7,193 | 6,734 | 6,796 | 5,840 |
Finance receivables, net |  |  |  | 3,904 | 5,517 | 3,082 | 11,010 | 2,057 | 1,442 | 3,349 |
Inventory, net |  |  |  | 11,030 | 11,215 | 8,240 | 4,586 | 4,147 | 4,786 | 4,264 |
Prepaid expenses and other current assets |  |  |  | 1,869 | 1,971 | 1,122 | 968 | 1,628 | 1,764 | 1,439 |
Deferred income taxes |  |  |  |  |  |  |  | 2,271 | 2,271 | 2,271 |
Total current assets |  |  |  | 57,076 | 49,561 | 74,602 | 36,502 | 34,617 | 35,093 | 35,361 |
Non-current assets: |  |  |  |  |  |  |  |  |  |  |
Finance receivables due after one year, net |  |  |  | 9,679 | 11,215 | 7,742 | 8,607 | 7,548 | 3,956 | 3,962 |
Other assets |  |  |  | 1,214 | 1,120 | 750 | 687 | 137 | 145 | 163 |
Property and equipment, net |  |  |  | 12,198 | 12,622 | 11,850 | 12,111 | 9,173 | 9,433 | 9,570 |
Deferred income taxes |  |  |  | 16,911 | 14,774 | 28,205 | 27,670 | 25,359 | 25,568 | 25,568 |
Intangibles, net |  |  |  | 30,119 | 30,910 | 578 | 622 | 666 | 711 | 754 |
Goodwill |  |  |  | 64,196 | 64,449 | 11,492 | 11,492 | 11,492 | 11,492 | 11,703 |
Total non-current assets |  |  |  | 134,317 | 135,090 | 60,617 | 61,189 | 54,375 | 51,305 | 51,720 |
Total assets |  |  |  | 191,393 | 184,651 | 135,219 | 97,691 | 88,992 | 86,398 | 87,081 |
Current liabilities: |  |  |  |  |  |  |  |  |  |  |
Accounts payable |  |  |  | 29,446 | 23,775 | 14,211 | 16,054 | 11,529 | 9,090 | 8,693 |
Accrued expenses |  |  |  | 7,961 | 6,798 | 3,795 | 4,130 | 3,111 | 2,912 | 3,912 |
Line of credit, net |  |  |  |  |  | 7,051 | 7,036 | 7,021 | 7,078 | 7,258 |
Capital lease obligations and current obligations under long-term debt |  |  |  | 4,475 | 5,121 | 2,649 | 3,230 | 786 | 766 | 834 |
Income taxes payable |  |  |  |  | 6 | 10 | 10 | 0 | 6 | 8 |
Deferred revenue |  |  |  | 441 | 595 | 0 | 0 | 0 | 0 | 0 |
Deferred gain from sale-leaseback transactions |  |  |  | 198 | 198 | 197 | 239 | 255 | 470 | 685 |
Total current liabilities |  |  |  | 42,521 | 36,493 | 27,913 | 30,699 | 22,702 | 20,322 | 21,390 |
Long-term liabilities: |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility |  |  |  | 10,000 | 10,000 |  |  |  |  |  |
Deferred income taxes |  |  |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Capital lease obligations and long-term debt, less current portion |  |  |  | 22,895 | 23,874 | 1,049 | 1,061 | 1,239 | 1,394 | 1,517 |
Accrued expenses, less current portion |  |  |  | 66 | 65 | 62 | 53 | 52 | 52 | 11 |
Deferred gain from sale-leaseback transactions, less current portion |  |  |  |  | 49 | 99 | 100 |  |  |  |
Total long-term liabilities |  |  |  | 32,961 | 33,988 | 1,210 | 1,214 | 1,291 | 1,446 | 1,528 |
Total liabilities |  |  |  | 75,482 | 70,481 | 29,123 | 31,913 | 23,993 | 21,768 | 22,918 |
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |
Temporary equity, preferred stock |  |  |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Preferred stock |  |  |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Common stock |  |  |  | 307,634 | 307,053 | 286,463 | 245,999 | 245,463 | 245,230 | 244,996 |
Accumulated deficit |  |  |  | (194,861) | (196,021) | (183,505) | (183,359) | (183,602) | (183,738) | (183,971) |
Total shareholders’ equity |  |  |  | 115,911 | 114,170 | 106,096 | 65,778 | 64,999 | 64,630 | 64,163 |
Total liabilities, convertible preferred stock and shareholders’ equity |  |  |  | 191,393 | 184,651 | 135,219 | 97,691 | 88,992 | 86,398 | 87,081 |
Adjustments |  |  |  |  |  |  |  |  |  |  |
Current assets: |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  | (52) | (26) | 0 | 0 | 0 | 0 | 0 |
Accounts receivable |  |  |  | (3,723) | (765) | (473) | (359) | (72) | 96 | (233) |
Finance receivables, net |  |  |  | (1,670) | (2,221) | (1,641) | (1,267) | 92 | 0 | 0 |
Inventory, net |  |  |  | 893 | 804 | 636 | 606 | (470) | (348) | (338) |
Prepaid expenses and other current assets |  |  |  | (591) | (361) | (66) | (89) | (34) | (87) | (87) |
Deferred income taxes |  |  |  |  |  |  |  | (2,271) | (2,271) | (2,271) |
Total current assets |  |  |  | (5,143) | (2,569) | (1,544) | (1,109) | (2,755) | (2,610) | (2,929) |
Non-current assets: |  |  |  |  |  |  |  |  |  |  |
Finance receivables due after one year, net |  |  |  | 191 | 513 | 0 | 0 | 0 | 0 | 0 |
Other assets |  |  |  | (800) | (662) | (461) | (368) | 94 | (1) | 0 |
Property and equipment, net |  |  |  | 45 | (179) | (1,149) | (1,000) | 2,168 | 2,561 | 2,866 |
Deferred income taxes |  |  |  | (16,911) | (14,774) | (28,205) | (27,670) | (25,359) | (25,568) | (25,568) |
Intangibles, net |  |  |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Goodwill |  |  |  | (47) | (46) | 0 | 0 | 0 | 0 | 0 |
Total non-current assets |  |  |  | (17,522) | (15,148) | (29,815) | (29,038) | (23,097) | (23,008) | (22,702) |
Total assets |  |  |  | (22,665) | (17,717) | (31,359) | (30,147) | (25,852) | (25,618) | (25,631) |
Current liabilities: |  |  |  |  |  |  |  |  |  |  |
Accounts payable |  |  |  | 128 | 133 | 295 | 291 | 290 | 19 | 17 |
Accrued expenses |  |  |  | 10,547 | 9,825 | 8,422 | 7,743 | 5,681 | 4,629 | 4,223 |
Line of credit, net |  |  |  |  |  | 0 | 0 | 13 | 13 | 13 |
Capital lease obligations and current obligations under long-term debt |  |  |  | (5) | 367 | (21) | (32) | 2,999 | 3,565 | 4,118 |
Income taxes payable |  |  |  |  | (6) | (10) | 0 | 23 | 15 | 7 |
Deferred revenue |  |  |  | 70 | 135 | 439 | 268 | 310 | 478 | 94 |
Deferred gain from sale-leaseback transactions |  |  |  | (198) | (198) | (197) | (239) | (255) | (470) | (685) |
Total current liabilities |  |  |  | 10,542 | 10,256 | 8,928 | 8,031 | 9,061 | 8,249 | 7,787 |
Long-term liabilities: |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility |  |  |  | 0 | 0 |  |  |  |  |  |
Deferred income taxes |  |  |  | 96 | 91 | 109 | 94 | 78 | 63 | 47 |
Capital lease obligations and long-term debt, less current portion |  |  |  | 0 | 696 | 0 | 0 | 0 | 0 | 0 |
Accrued expenses, less current portion |  |  |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Deferred gain from sale-leaseback transactions, less current portion |  |  |  |  | (49) | (99) | (100) |  |  |  |
Total long-term liabilities |  |  |  | 96 | 738 | 10 | (6) | 78 | 63 | 47 |
Total liabilities |  |  |  | 10,638 | 10,994 | 8,938 | 8,025 | 9,139 | 8,312 | 7,834 |
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |
Temporary equity, preferred stock |  |  |  | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 |
Preferred stock |  |  |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Common stock |  |  |  | 2,888 | 3,097 | (167) | 0 | 0 | 0 | 0 |
Accumulated deficit |  |  |  | (36,191) | (31,808) | (40,130) | (38,172) | (34,991) | (33,930) | (33,465) | $ (32,600)
Total shareholders’ equity |  |  |  | (36,441) | (31,849) | (43,435) | (41,310) | (38,129) | (37,068) | (36,603) |
Total liabilities, convertible preferred stock and shareholders’ equity |  |  |  | (22,665) | (17,717) | (31,359) | (30,147) | (25,852) | (25,618) | (25,631) |
Series A Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |  |
Long-term liabilities: |  |  |  |  |  |  |  |  |  |  |
Preferred stock |  |  |  | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Series A Convertible Preferred Stock | As Previously Reported |  |  |  |  |  |  |  |  |  |  |
Long-term liabilities: |  |  |  |  |  |  |  |  |  |  |
Preferred stock |  |  |  | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 | 3,138 |
Series A Convertible Preferred Stock | Adjustments |  |  |  |  |  |  |  |  |  |  |
Long-term liabilities: |  |  |  |  |  |  |  |  |  |  |
Preferred stock |  |  |  | $ (3,138) | $ (3,138) | $ (3,138) | $ (3,138) | $ (3,138) | $ (3,138) | $ (3,138) |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3044-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118951113&loc=d3e6676-107765 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(14)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(8)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The amount of the gain recorded in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller to be recognized in future periods. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 25 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=77913853&loc=d3e49567-112750 + Details
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