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Unaudited Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Mar. 31, 2018 | 21,139 |  |  |  |  |
Balance at Mar. 31, 2018 | $ 211,000 | $ 1,041,113,000 | $ (1,645,000) | $ 883,000 | $ (988,333,000) | $ 52,229,000
Issuance of common stock - restricted shares (in shares) | 276 |  |  |  |  |
Issuance of common stock - restricted shares | $ 3,000 | (3,000) |  |  |  | 0
Stock-based compensation expense |  | 785,000 |  |  |  | 785,000
Issuance of stock for 401(k) match (in shares) | 14 |  |  |  |  |
Issuance of stock for 401(k) match |  | 85,000 |  |  |  | 85,000
Repurchase of treasury stock |  |  | (239,000) |  |  | (239,000)
Cumulative translation adjustment |  |  |  | (216,000) |  | (216,000)
Net (loss) income |  |  |  |  | (4,737,000) | (4,737,000)
Cumulative impact of adoption of ASU No. 2014-09 |  |  |  |  | 33,000 | 33,000
Balance (in shares) at Jun. 30, 2018 | 21,429 |  |  |  |  |
Balance at Jun. 30, 2018 | $ 214,000 | 1,041,980,000 | (1,884,000) | 667,000 | (993,037,000) | 47,940,000
Balance (in shares) at Mar. 31, 2018 | 21,139 |  |  |  |  |
Balance at Mar. 31, 2018 | $ 211,000 | 1,041,113,000 | (1,645,000) | 883,000 | (988,333,000) | 52,229,000
Cumulative translation adjustment |  |  |  |  |  | (948,000)
Net (loss) income |  |  |  |  |  | 35,114,000
Balance (in shares) at Dec. 31, 2018 | 21,930 |  |  |  |  |
Balance at Dec. 31, 2018 | $ 216,000 | 1,043,816,000 | (2,101,000) | (65,000) | (953,186,000) | 88,680,000
Balance (in shares) at Jun. 30, 2018 | 21,429 |  |  |  |  |
Balance at Jun. 30, 2018 | $ 214,000 | 1,041,980,000 | (1,884,000) | 667,000 | (993,037,000) | 47,940,000
Issuance of common stock - restricted shares (in shares) | 140 |  |  |  |  |
Issuance of common stock - restricted shares | $ 1,000 | (1,000) |  |  |  |
Stock-based compensation expense |  | 825,000 |  |  |  | 825,000
Issuance of stock for 401(k) match (in shares) | 13 |  |  |  |  |
Issuance of stock for 401(k) match |  | 87,000 |  |  |  | 87,000
Repurchase of treasury stock |  |  | (157,000) |  |  | (157,000)
Cumulative translation adjustment |  |  |  | (678,000) |  | (678,000)
Net (loss) income |  |  |  |  | 22,558,000 | 22,558,000
Issuance of common stock - ESPP (in shares) | 12 |  |  |  |  |
Issuance of common stock - ESPP |  | 71,000 |  |  |  | 71,000
Balance (in shares) at Sep. 30, 2018 | 21,594 |  |  |  |  |
Balance at Sep. 30, 2018 | $ 215,000 | 1,042,962,000 | (2,041,000) | (11,000) | (970,479,000) | 70,646,000
Issuance of common stock - restricted shares (in shares) | 328 |  |  |  |  |
Issuance of common stock - restricted shares | $ 1,000 | (1,000) |  |  |  |
Stock-based compensation expense |  | 792,000 |  |  |  | 792,000
Issuance of stock for 401(k) match (in shares) | 8 |  |  |  |  |
Issuance of stock for 401(k) match |  | 63,000 |  |  |  | 63,000
Repurchase of treasury stock |  |  | (60,000) |  |  | (60,000)
Cumulative translation adjustment |  |  |  | (54,000) |  | (54,000)
Net (loss) income |  |  |  |  | 17,293,000 | 17,293,000
Balance (in shares) at Dec. 31, 2018 | 21,930 |  |  |  |  |
Balance at Dec. 31, 2018 | $ 216,000 | 1,043,816,000 | (2,101,000) | (65,000) | (953,186,000) | 88,680,000
Balance (in shares) at Mar. 31, 2019 | 21,652 |  |  |  |  |
Balance at Mar. 31, 2019 | $ 216,000 | 1,044,622,000 | (2,101,000) | (5,000) | (961,539,000) | 81,193,000
Issuance of common stock - restricted shares (in shares) | 174 |  |  |  |  |
Issuance of common stock - restricted shares | $ 2,000 | (2,000) |  |  |  |
Stock-based compensation expense |  | 249,000 |  |  |  | 249,000
Issuance of stock for 401(k) match (in shares) | 8 |  |  |  |  |
Issuance of stock for 401(k) match |  | 81,000 |  |  |  | 81,000
Issuance of common stock - warrant exercise (in shares) | 23 |  |  |  |  |
Issuance of common stock - warrant exercise |  | 294,000 |  |  |  | 294,000
Repurchase of treasury stock |  |  | (283,000) |  |  | (283,000)
Cumulative translation adjustment |  |  |  | 418,000 |  | 418,000
Net (loss) income |  |  |  |  | (3,539,000) | (3,539,000)
Balance (in shares) at Jun. 30, 2019 | 21,857 |  |  |  |  |
Balance at Jun. 30, 2019 | $ 218,000 | 1,045,244,000 | (2,384,000) | 413,000 | (965,078,000) | 78,413,000
Balance (in shares) at Mar. 31, 2019 | 21,652 |  |  |  |  |
Balance at Mar. 31, 2019 | $ 216,000 | 1,044,622,000 | (2,101,000) | (5,000) | (961,539,000) | 81,193,000
Cumulative translation adjustment |  |  |  |  |  | (242,000)
Net (loss) income |  |  |  |  |  | (11,209,000)
Balance (in shares) at Dec. 31, 2019 | 22,855 |  |  |  |  |
Balance at Dec. 31, 2019 | $ 228,000 | 1,052,621,000 | (2,666,000) | (247,000) | (972,748,000) | 77,188,000
Balance (in shares) at Jun. 30, 2019 | 21,857 |  |  |  |  |
Balance at Jun. 30, 2019 | $ 218,000 | 1,045,244,000 | (2,384,000) | 413,000 | (965,078,000) | 78,413,000
Issuance of common stock - restricted shares (in shares) | 10 |  |  |  |  |
Issuance of common stock - restricted shares |  |  |  |  |  |
Stock-based compensation expense |  | 397,000 |  |  |  | 397,000
Issuance of stock for 401(k) match (in shares) | 12 |  |  |  |  |
Issuance of stock for 401(k) match |  | 92,000 |  |  |  | 92,000
Issuance of common stock - warrant exercise (in shares) |  |  |  |  |  |
Issuance of common stock - warrant exercise |  |  |  |  |  | 0
Repurchase of treasury stock |  |  | (222,000) |  |  | (222,000)
Cumulative translation adjustment |  |  |  | (1,269,000) |  | (1,269,000)
Net (loss) income |  |  |  |  | (825,000) | (825,000)
Issuance of common stock - ESPP (in shares) | 15 |  |  |  |  |
Issuance of common stock - ESPP |  | 100,000 |  |  |  | 100,000
Balance (in shares) at Sep. 30, 2019 | 21,894 |  |  |  |  |
Balance at Sep. 30, 2019 | $ 218,000 | 1,045,833,000 | (2,606,000) | (856,000) | (965,903,000) | 76,686,000
Issuance of common stock - restricted shares (in shares) | 167 |  |  |  |  |
Issuance of common stock - restricted shares | $ 2,000 | (2,000) |  |  |  |
Stock-based compensation expense |  | 590,000 |  |  |  | 590,000
Issuance of stock for 401(k) match (in shares) | 8 |  |  |  |  |
Issuance of stock for 401(k) match |  | 69,000 |  |  |  | 69,000
Issuance of common stock - warrant exercise (in shares) | 786 |  |  |  |  |
Issuance of common stock - warrant exercise | $ 8,000 | 6,131,000 |  |  |  | 6,139,000
Repurchase of treasury stock |  |  | (60,000) |  |  | (60,000)
Cumulative translation adjustment |  |  |  | 609,000 |  | 609,000
Net (loss) income |  |  |  |  | (6,845,000) | (6,845,000)
Balance (in shares) at Dec. 31, 2019 | 22,855 |  |  |  |  |
Balance at Dec. 31, 2019 | $ 228,000 | $ 1,052,621,000 | $ (2,666,000) | $ (247,000) | $ (972,748,000) | $ 77,188,000

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